LeetCode Questions Sortable By Likes

Source code available on GitHub.

ID Status Premium Title Likes Dislikes Ratio
1 🆓 Two Sum 25380 824 30.800970873786408
2 🆓 Add Two Numbers 14300 3166 4.516740366392924
3 🆓 Longest Substring Without Repeating Characters 18173 836 21.73803827751196
4 🆓 Median of Two Sorted Arrays 12845 1729 7.42914979757085
5 🆓 Longest Palindromic Substring 13795 815 16.926380368098158
6 🆓 ZigZag Conversion 2885 6881 0.4192704548757448
7 🆓 Reverse Integer 5799 8659 0.6697078184547869
8 🆓 String to Integer (atoi) 742 2020 0.3673267326732673
9 🆓 Palindrome Number 4160 1880 2.2127659574468086
10 🆓 Regular Expression Matching 6830 950 7.189473684210526
11 🆓 Container With Most Water 12213 792 15.420454545454545
12 🆓 Integer to Roman 2320 3569 0.650042028579434
13 🆓 Roman to Integer 1973 152 12.980263157894736
14 🆓 Longest Common Prefix 5657 2530 2.2359683794466405
15 🆓 3Sum 13486 1302 10.357910906298002
16 🆓 3Sum Closest 4487 207 21.67632850241546
17 🆓 Letter Combinations of a Phone Number 7620 589 12.937181663837013
18 🆓 4Sum 4605 543 8.480662983425415
19 🆓 Remove Nth Node From End of List 7164 367 19.52043596730245
20 🆓 Valid Parentheses 9355 367 25.490463215258856
21 🆓 Merge Two Sorted Lists 8702 881 9.877412031782066
22 🆓 Generate Parentheses 10069 403 24.98511166253102
23 🆓 Merge k Sorted Lists 8891 391 22.73913043478261
24 🆓 Swap Nodes in Pairs 4714 248 19.008064516129032
25 🆓 Reverse Nodes in k-Group 5172 449 11.518930957683741
26 🆓 Remove Duplicates from Sorted Array 4925 8279 0.5948786085276
27 🆓 Remove Element 2677 4199 0.637532745891879
28 🆓 Implement strStr() 3030 2858 1.060181945416375
29 🆓 Divide Two Integers 2231 8047 0.2772461787001367
30 🆓 Substring with Concatenation of All Words 1528 1659 0.921036769138035
31 🆓 Next Permutation 7367 2429 3.032935364347468
32 🆓 Longest Valid Parentheses 6317 218 28.977064220183486
33 🆓 Search in Rotated Sorted Array 10332 761 13.576872536136662
34 🆓 Find First and Last Position of Element in Sorted Array 7634 244 31.28688524590164
35 🆓 Search Insert Position 5028 327 15.376146788990825
36 🆓 Valid Sudoku 3654 626 5.8370607028754
37 🆓 Sudoku Solver 3834 126 30.428571428571427
38 🆓 Count and Say 890 2568 0.34657320872274144
39 🆓 Combination Sum 7644 183 41.77049180327869
40 🆓 Combination Sum II 3724 105 35.46666666666667
41 🆓 First Missing Positive 7327 1144 6.40472027972028
42 🆓 Trapping Rain Water 14475 204 70.95588235294117
43 🆓 Multiply Strings 3184 1246 2.5553772070626004
44 🆓 Wildcard Matching 3760 165 22.78787878787879
45 🆓 Jump Game II 6024 227 26.537444933920703
46 🆓 Permutations 7767 153 50.76470588235294
47 🆓 Permutations II 3805 83 45.8433734939759
48 🆓 Rotate Image 6635 402 16.50497512437811
49 🆓 Group Anagrams 7083 257 27.560311284046694
50 🆓 Pow(x, n) 3175 4385 0.7240592930444698
51 🆓 N-Queens 4264 129 33.054263565891475
52 🆓 N-Queens II 1280 198 6.4646464646464645
53 🆓 Maximum Subarray 15205 713 21.32538569424965
54 🆓 Spiral Matrix 5258 731 7.192886456908345
55 🆓 Jump Game 8381 499 16.795591182364728
56 🆓 Merge Intervals 9793 436 22.461009174311926
57 🆓 Insert Interval 3698 287 12.885017421602788
58 🆓 Length of Last Word 219 29 7.551724137931035
59 🆓 Spiral Matrix II 2116 145 14.593103448275862
60 🆓 Permutation Sequence 2875 379 7.58575197889182
61 🆓 Rotate List 3249 1201 2.7052456286427975
62 🆓 Unique Paths 6582 261 25.2183908045977
63 🆓 Unique Paths II 3633 333 10.90990990990991
64 🆓 Minimum Path Sum 5863 88 66.625
65 🆓 Valid Number 289 547 0.5283363802559415
66 🆓 Plus One 3014 3688 0.8172451193058569
67 🆓 Add Binary 3516 417 8.431654676258994
68 🆓 Text Justification 1348 2398 0.5621351125938282
69 🆓 Sqrt(x) 2652 2693 0.9847753434831044
70 🆓 Climbing Stairs 8676 257 33.75875486381323
71 🆓 Simplify Path 839 227 3.696035242290749
72 🆓 Edit Distance 6797 84 80.91666666666667
73 🆓 Set Matrix Zeroes 4792 422 11.355450236966824
74 🆓 Search a 2D Matrix 4740 220 21.545454545454547
75 🆓 Sort Colors 7075 346 20.447976878612717
76 🆓 Minimum Window Substring 8272 491 16.84725050916497
77 🆓 Combinations 3043 104 29.259615384615383
78 🆓 Subsets 7272 126 57.714285714285715
79 🆓 Word Search 7414 280 26.478571428571428
80 🆓 Remove Duplicates from Sorted Array II 2297 837 2.7443249701314216
81 🆓 Search in Rotated Sorted Array II 2808 619 4.536348949919224
82 🆓 Remove Duplicates from Sorted List II 3724 134 27.791044776119403
83 🆓 Remove Duplicates from Sorted List 3416 162 21.08641975308642
84 🆓 Largest Rectangle in Histogram 7371 118 62.46610169491525
85 🆓 Maximal Rectangle 5219 94 55.52127659574468
86 🆓 Partition List 2816 444 6.342342342342342
87 🆓 Scramble String 1127 881 1.2792281498297389
88 🆓 Merge Sorted Array 1640 179 9.162011173184357
89 🆓 Gray Code 1224 2117 0.5781766650921115
90 🆓 Subsets II 3618 126 28.714285714285715
91 🆓 Decode Ways 5560 3604 1.5427302996670367
92 🆓 Reverse Linked List II 4824 234 20.615384615384617
93 🆓 Restore IP Addresses 2183 606 3.602310231023102
94 🆓 Binary Tree Inorder Traversal 5913 250 23.652
95 🆓 Unique Binary Search Trees II 3997 257 15.552529182879377
96 🆓 Unique Binary Search Trees 5688 217 26.211981566820278
97 🆓 Interleaving String 3177 169 18.798816568047336
98 🆓 Validate Binary Search Tree 7543 769 9.808842652795839
99 🆓 Recover Binary Search Tree 3255 127 25.62992125984252
100 🆓 Same Tree 4167 106 39.31132075471698
101 🆓 Symmetric Tree 7547 192 39.307291666666664
102 🆓 Binary Tree Level Order Traversal 6066 128 47.390625
103 🆓 Binary Tree Zigzag Level Order Traversal 4392 144 30.5
104 🆓 Maximum Depth of Binary Tree 4955 105 47.19047619047619
105 🆓 Construct Binary Tree from Preorder and Inorder Traversal 6656 162 41.08641975308642
106 🆓 Construct Binary Tree from Inorder and Postorder Traversal 3327 56 59.410714285714285
107 🆓 Binary Tree Level Order Traversal II 2585 261 9.904214559386974
108 🆓 Convert Sorted Array to Binary Search Tree 5014 313 16.01916932907348
109 🆓 Convert Sorted List to Binary Search Tree 3836 105 36.53333333333333
110 🆓 Balanced Binary Tree 4424 257 17.214007782101167
111 🆓 Minimum Depth of Binary Tree 3124 877 3.5621436716077537
112 🆓 Path Sum 4103 686 5.981049562682216
113 🆓 Path Sum II 3732 96 38.875
114 🆓 Flatten Binary Tree to Linked List 5625 431 13.051044083526682
115 🆓 Distinct Subsequences 2774 122 22.737704918032787
116 🆓 Populating Next Right Pointers in Each Node 4511 200 22.555
117 🆓 Populating Next Right Pointers in Each Node II 2935 216 13.587962962962964
118 🆓 Pascal's Triangle 3795 167 22.724550898203592
119 🆓 Pascal's Triangle II 1837 242 7.590909090909091
120 🆓 Triangle 3775 352 10.724431818181818
121 🆓 Best Time to Buy and Sell Stock 11371 436 26.0802752293578
122 🆓 Best Time to Buy and Sell Stock II 5559 2205 2.52108843537415
123 🆓 Best Time to Buy and Sell Stock III 4487 98 45.785714285714285
124 🆓 Binary Tree Maximum Path Sum 7301 452 16.152654867256636
125 🆓 Valid Palindrome 2518 4405 0.5716231555051078
126 🆓 Word Ladder II 3129 316 9.901898734177216
127 🆓 Word Ladder 6097 1515 4.024422442244225
128 🆓 Longest Consecutive Sequence 7074 328 21.567073170731707
129 🆓 Sum Root to Leaf Numbers 2955 65 45.46153846153846
130 🆓 Surrounded Regions 3540 899 3.9377085650723025
131 🆓 Palindrome Partitioning 4594 141 32.58156028368794
132 🆓 Palindrome Partitioning II 2694 70 38.48571428571429
133 🆓 Clone Graph 3940 1952 2.0184426229508197
134 🆓 Gas Station 3918 487 8.04517453798768
135 🆓 Candy 2263 229 9.882096069868995
136 🆓 Single Number 7463 252 29.615079365079364
137 🆓 Single Number II 3161 431 7.334106728538283
138 🆓 Copy List with Random Pointer 6295 874 7.202517162471396
139 🆓 Word Break 8283 381 21.74015748031496
140 🆓 Word Break II 3877 455 8.52087912087912
141 🆓 Linked List Cycle 5748 667 8.617691154422788
142 🆓 Linked List Cycle II 5238 354 14.796610169491526
143 🆓 Reorder List 4047 170 23.805882352941175
144 🆓 Binary Tree Preorder Traversal 2992 103 29.04854368932039
145 🆓 Binary Tree Postorder Traversal 3223 124 25.991935483870968
146 🆓 LRU Cache 10457 413 25.319612590799032
147 🆓 Insertion Sort List 1292 719 1.7969401947148818
148 🆓 Sort List 5176 194 26.68041237113402
149 🆓 Max Points on a Line 547 111 4.927927927927928
150 🆓 Evaluate Reverse Polish Notation 2199 566 3.885159010600707
151 🆓 Reverse Words in a String 2152 3475 0.6192805755395684
152 🆓 Maximum Product Subarray 8544 264 32.36363636363637
153 🆓 Find Minimum in Rotated Sorted Array 4801 347 13.835734870317003
154 🆓 Find Minimum in Rotated Sorted Array II 2010 303 6.633663366336633
155 🆓 Min Stack 6157 538 11.444237918215613
156 💰 Binary Tree Upside Down 48 80 0.6
157 💰 Read N Characters Given Read4 447 2656 0.16829819277108435
158 💰 Read N Characters Given Read4 II - Call multiple times 732 1488 0.49193548387096775
159 💰 Longest Substring with At Most Two Distinct Characters 1468 22 66.72727272727273
160 🆓 Intersection of Two Linked Lists 6915 733 9.433833560709413
161 💰 One Edit Distance 967 150 6.446666666666666
162 🆓 Find Peak Element 4227 3128 1.3513427109974425
163 💰 Missing Ranges 634 2268 0.2795414462081129
164 🆓 Maximum Gap 1736 258 6.728682170542636
165 🆓 Compare Version Numbers 961 1799 0.5341856586992774
166 🆓 Fraction to Recurring Decimal 1362 2607 0.522439585730725
167 🆓 Two Sum II - Input array is sorted 3654 806 4.5334987593052105
168 🆓 Excel Sheet Column Title 2061 354 5.822033898305085
169 🆓 Majority Element 6716 293 22.92150170648464
170 💰 Two Sum III - Data structure design 458 334 1.3712574850299402
171 🆓 Excel Sheet Column Number 2037 222 9.175675675675675
172 🆓 Factorial Trailing Zeroes 1648 1560 1.0564102564102564
173 🆓 Binary Search Tree Iterator 4260 336 12.678571428571429
174 🆓 Dungeon Game 3382 65 52.03076923076923
175 🆓 Combine Two Tables 1539 173 8.895953757225433
176 🆓 Second Highest Salary 1458 643 2.2674961119751167
177 🆓 Nth Highest Salary 834 564 1.4787234042553192
178 🆓 Rank Scores 1112 181 6.143646408839779
179 🆓 Largest Number 3878 357 10.862745098039216
180 🆓 Consecutive Numbers 780 163 4.785276073619632
181 🆓 Employees Earning More Than Their Managers 1081 141 7.666666666666667
182 🆓 Duplicate Emails 842 43 19.58139534883721
183 🆓 Customers Who Never Order 676 62 10.903225806451612
184 🆓 Department Highest Salary 863 152 5.677631578947368
185 🆓 Department Top Three Salaries 877 171 5.128654970760234
186 💰 Reverse Words in a String II 732 125 5.856
187 🆓 Repeated DNA Sequences 1491 366 4.073770491803279
188 🆓 Best Time to Buy and Sell Stock IV 3042 148 20.554054054054053
189 🆓 Rotate Array 6248 1053 5.9335232668566
190 🆓 Reverse Bits 2237 669 3.343796711509716
191 🆓 Number of 1 Bits 1952 696 2.8045977011494254
192 🆓 Word Frequency 298 203 1.4679802955665024
193 🆓 Valid Phone Numbers 228 623 0.36597110754414125
194 🆓 Transpose File 88 229 0.38427947598253276
195 🆓 Tenth Line 225 297 0.7575757575757576
196 🆓 Delete Duplicate Emails 672 1019 0.6594700686947988
197 🆓 Rising Temperature 692 296 2.3378378378378377
198 🆓 House Robber 8785 217 40.483870967741936
199 🆓 Binary Tree Right Side View 5021 278 18.06115107913669
200 🆓 Number of Islands 10543 275 38.338181818181816
201 🆓 Bitwise AND of Numbers Range 1951 166 11.75301204819277
202 🆓 Happy Number 3924 597 6.57286432160804
203 🆓 Remove Linked List Elements 3517 139 25.302158273381295
204 🆓 Count Primes 3891 902 4.3137472283813745
205 🆓 Isomorphic Strings 2780 565 4.920353982300885
206 🆓 Reverse Linked List 8813 154 57.22727272727273
207 🆓 Course Schedule 7325 295 24.83050847457627
208 🆓 Implement Trie (Prefix Tree) 5723 82 69.79268292682927
209 🆓 Minimum Size Subarray Sum 4826 159 30.352201257861637
210 🆓 Course Schedule II 4909 192 25.567708333333332
211 🆓 Design Add and Search Words Data Structure 3547 148 23.966216216216218
212 🆓 Word Search II 4869 167 29.15568862275449
213 🆓 House Robber II 3820 72 53.05555555555556
214 🆓 Shortest Palindrome 1989 162 12.277777777777779
215 🆓 Kth Largest Element in an Array 7064 410 17.229268292682928
216 🆓 Combination Sum III 2243 69 32.507246376811594
217 🆓 Contains Duplicate 2642 888 2.975225225225225
218 🆓 The Skyline Problem 3327 179 18.58659217877095
219 🆓 Contains Duplicate II 1764 1580 1.1164556962025316
220 🆓 Contains Duplicate III 1880 1931 0.9735888140859659
221 🆓 Maximal Square 5557 123 45.17886178861789
222 🆓 Count Complete Tree Nodes 3567 280 12.739285714285714
223 🆓 Rectangle Area 654 946 0.6913319238900634
224 🆓 Basic Calculator 2919 255 11.447058823529412
225 🆓 Implement Stack using Queues 1455 739 1.9688768606224627
226 🆓 Invert Binary Tree 6455 91 70.93406593406593
227 🆓 Basic Calculator II 2989 437 6.839816933638444
228 🆓 Summary Ranges 1210 796 1.520100502512563
229 🆓 Majority Element II 3579 245 14.608163265306123
230 🆓 Kth Smallest Element in a BST 4860 99 49.09090909090909
231 🆓 Power of Two 1871 244 7.668032786885246
232 🆓 Implement Queue using Stacks 2356 184 12.804347826086957
233 🆓 Number of Digit One 524 848 0.6179245283018868
234 🆓 Palindrome Linked List 6658 480 13.870833333333334
235 🆓 Lowest Common Ancestor of a Binary Search Tree 4170 153 27.254901960784313
236 🆓 Lowest Common Ancestor of a Binary Tree 7440 231 32.20779220779221
237 🆓 Delete Node in a Linked List 3335 10229 0.32603382539837716
238 🆓 Product of Array Except Self 9182 612 15.00326797385621
239 🆓 Sliding Window Maximum 7544 271 27.837638376383765
240 🆓 Search a 2D Matrix II 5817 103 56.47572815533981
241 🆓 Different Ways to Add Parentheses 2801 147 19.05442176870748
242 🆓 Valid Anagram 3391 184 18.429347826086957
243 💰 Shortest Word Distance 835 69 12.101449275362318
244 💰 Shortest Word Distance II 654 193 3.38860103626943
245 💰 Shortest Word Distance III 298 82 3.6341463414634148
246 💰 Strobogrammatic Number 384 643 0.5972006220839814
247 💰 Strobogrammatic Number II 639 162 3.9444444444444446
248 💰 Strobogrammatic Number III 247 167 1.4790419161676647
249 💰 Group Shifted Strings 941 180 5.227777777777778
250 💰 Count Univalue Subtrees 802 232 3.456896551724138
251 💰 Flatten 2D Vector 510 282 1.8085106382978724
252 💰 Meeting Rooms 1111 56 19.839285714285715
253 💰 Meeting Rooms II 4474 86 52.02325581395349
254 💰 Factor Combinations 768 37 20.756756756756758
255 💰 Verify Preorder Sequence in Binary Search Tree 827 64 12.921875
256 💰 Paint House 1524 109 13.98165137614679
257 🆓 Binary Tree Paths 3180 155 20.516129032258064
258 🆓 Add Digits 1406 1384 1.0158959537572254
259 💰 3Sum Smaller 1022 108 9.462962962962964
260 🆓 Single Number III 2746 152 18.06578947368421
261 💰 Graph Valid Tree 1814 52 34.88461538461539
262 🆓 Trips and Users 593 394 1.5050761421319796
263 🆓 Ugly Number 1009 910 1.1087912087912088
264 🆓 Ugly Number II 3231 185 17.464864864864865
265 💰 Paint House II 813 31 26.225806451612904
266 💰 Palindrome Permutation 713 62 11.5
267 💰 Palindrome Permutation II 626 77 8.12987012987013
268 🆓 Missing Number 3978 2686 1.481012658227848
269 💰 Alien Dictionary 2957 597 4.953098827470686
270 💰 Closest Binary Search Tree Value 1223 82 14.914634146341463
271 💰 Encode and Decode Strings 697 195 3.5743589743589745
272 💰 Closest Binary Search Tree Value II 874 26 33.61538461538461
273 🆓 Integer to English Words 1734 4235 0.40944510035419124
274 🆓 H-Index 1030 1631 0.6315144083384426
275 🆓 H-Index II 618 936 0.6602564102564102
276 💰 Paint Fence 1079 343 3.1457725947521866
277 💰 Find the Celebrity 1885 187 10.080213903743315
278 🆓 First Bad Version 3192 1093 2.920402561756633
279 🆓 Perfect Squares 5307 255 20.811764705882354
280 💰 Wiggle Sort 803 71 11.309859154929578
281 💰 Zigzag Iterator 498 26 19.153846153846153
282 🆓 Expression Add Operators 2154 355 6.067605633802817
283 🆓 Move Zeroes 6851 193 35.49740932642487
284 🆓 Peeking Iterator 888 621 1.429951690821256
285 💰 Inorder Successor in BST 1791 73 24.534246575342465
286 💰 Walls and Gates 1863 27 69
287 🆓 Find the Duplicate Number 9765 989 9.87360970677452
288 💰 Unique Word Abbreviation 148 1566 0.09450830140485313
289 🆓 Game of Life 3207 369 8.691056910569106
290 🆓 Word Pattern 2290 258 8.875968992248062
291 💰 Word Pattern II 600 47 12.76595744680851
292 🆓 Nim Game 891 2018 0.4415262636273538
293 💰 Flip Game 144 352 0.4090909090909091
294 💰 Flip Game II 491 45 10.911111111111111
295 🆓 Find Median from Data Stream 5485 98 55.96938775510204
296 💰 Best Meeting Point 758 59 12.847457627118644
297 🆓 Serialize and Deserialize Binary Tree 5272 223 23.641255605381165
298 💰 Binary Tree Longest Consecutive Sequence 765 181 4.226519337016574
299 🆓 Bulls and Cows 1129 1176 0.9600340136054422
300 🆓 Longest Increasing Subsequence 9148 190 48.14736842105263
301 🆓 Remove Invalid Parentheses 3958 194 20.4020618556701
302 💰 Smallest Rectangle Enclosing Black Pixels 279 61 4.573770491803279
303 🆓 Range Sum Query - Immutable 1618 1513 1.069398545935228
304 🆓 Range Sum Query 2D - Immutable 2084 235 8.86808510638298
305 💰 Number of Islands II 1182 33 35.81818181818182
306 🆓 Additive Number 635 576 1.1024305555555556
307 🆓 Range Sum Query - Mutable 2342 129 18.155038759689923
308 💰 Range Sum Query 2D - Mutable 587 70 8.385714285714286
309 🆓 Best Time to Buy and Sell Stock with Cooldown 4339 143 30.342657342657343
310 🆓 Minimum Height Trees 3831 152 25.20394736842105
311 💰 Sparse Matrix Multiplication 702 266 2.6390977443609023
312 🆓 Burst Balloons 4327 121 35.760330578512395
313 🆓 Super Ugly Number 1162 211 5.507109004739337
314 💰 Binary Tree Vertical Order Traversal 1754 230 7.626086956521739
315 🆓 Count of Smaller Numbers After Self 4634 139 33.33812949640288
316 🆓 Remove Duplicate Letters 3338 236 14.14406779661017
317 💰 Shortest Distance from All Buildings 1233 86 14.337209302325581
318 🆓 Maximum Product of Word Lengths 1485 92 16.141304347826086
319 🆓 Bulb Switcher 758 1419 0.5341789992952783
320 💰 Generalized Abbreviation 549 177 3.1016949152542375
321 🆓 Create Maximum Number 1125 290 3.8793103448275863
322 🆓 Coin Change 8643 225 38.413333333333334
323 💰 Number of Connected Components in an Undirected Graph 1588 50 31.76
324 🆓 Wiggle Sort II 1750 726 2.4104683195592287
325 💰 Maximum Size Subarray Sum Equals k 1393 41 33.97560975609756
326 🆓 Power of Three 492 67 7.343283582089552
327 🆓 Count of Range Sum 1293 140 9.235714285714286
328 🆓 Odd Even Linked List 3887 355 10.949295774647887
329 🆓 Longest Increasing Path in a Matrix 4205 69 60.94202898550725
330 🆓 Patching Array 1006 106 9.49056603773585
331 🆓 Verify Preorder Serialization of a Binary Tree 1468 75 19.573333333333334
332 🆓 Reconstruct Itinerary 3292 1457 2.2594371997254634
333 💰 Largest BST Subtree 974 87 11.195402298850574
334 🆓 Increasing Triplet Subsequence 3075 184 16.71195652173913
335 🆓 Self Crossing 212 429 0.49417249417249415
336 🆓 Palindrome Pairs 2314 205 11.28780487804878
337 🆓 House Robber III 4902 77 63.66233766233766
338 🆓 Counting Bits 4944 243 20.34567901234568
339 💰 Nested List Weight Sum 966 235 4.110638297872341
340 💰 Longest Substring with At Most K Distinct Characters 1918 64 29.96875
341 🆓 Flatten Nested List Iterator 2697 939 2.8722044728434506
342 🆓 Power of Four 1105 267 4.138576779026217
343 🆓 Integer Break 2120 294 7.210884353741497
344 🆓 Reverse String 3152 839 3.756853396901073
345 🆓 Reverse Vowels of a String 1264 1639 0.7712019524100061
346 💰 Moving Average from Data Stream 1033 100 10.33
347 🆓 Top K Frequent Elements 6212 301 20.637873754152825
348 💰 Design Tic-Tac-Toe 1372 78 17.58974358974359
349 🆓 Intersection of Two Arrays 1971 1745 1.129512893982808
350 🆓 Intersection of Two Arrays II 3172 573 5.535776614310646
351 💰 Android Unlock Patterns 30 27 1.1111111111111112
352 🆓 Data Stream as Disjoint Intervals 533 128 4.1640625
353 💰 Design Snake Game 615 234 2.628205128205128
354 🆓 Russian Doll Envelopes 2566 66 38.878787878787875
355 🆓 Design Twitter 1622 249 6.514056224899599
356 💰 Line Reflection 200 438 0.45662100456621
357 🆓 Count Numbers with Unique Digits 740 1138 0.6502636203866432
358 💰 Rearrange String k Distance Apart 650 27 24.074074074074073
359 💰 Logger Rate Limiter 961 151 6.364238410596027
360 💰 Sort Transformed Array 465 131 3.549618320610687
361 💰 Bomb Enemy 677 86 7.872093023255814
362 💰 Design Hit Counter 1236 111 11.135135135135135
363 🆓 Max Sum of Rectangle No Larger Than K 1720 102 16.862745098039216
364 💰 Nested List Weight Sum II 823 240 3.4291666666666667
365 🆓 Water and Jug Problem 600 986 0.6085192697768763
366 💰 Find Leaves of Binary Tree 1626 28 58.07142857142857
367 🆓 Valid Perfect Square 1652 208 7.9423076923076925
368 🆓 Largest Divisible Subset 2230 103 21.650485436893202
369 💰 Plus One Linked List 700 38 18.42105263157895
370 💰 Range Addition 867 36 24.083333333333332
371 🆓 Sum of Two Integers 2004 3107 0.6449951721918249
372 🆓 Super Pow 370 966 0.3830227743271222
373 🆓 Find K Pairs with Smallest Sums 2452 150 16.346666666666668
374 🆓 Guess Number Higher or Lower 335 58 5.775862068965517
375 🆓 Guess Number Higher or Lower II 1249 1641 0.761121267519805
376 🆓 Wiggle Subsequence 2146 84 25.547619047619047
377 🆓 Combination Sum IV 2743 312 8.791666666666666
378 🆓 Kth Smallest Element in a Sorted Matrix 4748 209 22.717703349282296
379 💰 Design Phone Directory 257 359 0.7158774373259053
380 🆓 Insert Delete GetRandom O(1) 4221 238 17.735294117647058
381 🆓 Insert Delete GetRandom O(1) - Duplicates allowed 1338 102 13.117647058823529
382 🆓 Linked List Random Node 1040 263 3.9543726235741445
383 🆓 Ransom Note 1196 266 4.496240601503759
384 🆓 Shuffle an Array 450 464 0.9698275862068966
385 🆓 Mini Parser 324 1050 0.30857142857142855
386 🆓 Lexicographical Numbers 954 104 9.173076923076923
387 🆓 First Unique Character in a String 3720 167 22.275449101796408
388 🆓 Longest Absolute File Path 843 1913 0.4406691061160481
389 🆓 Find the Difference 1591 331 4.806646525679758
390 🆓 Elimination Game 670 458 1.462882096069869
391 🆓 Perfect Rectangle 526 92 5.717391304347826
392 🆓 Is Subsequence 3184 254 12.535433070866143
393 🆓 UTF-8 Validation 327 1390 0.23525179856115108
394 🆓 Decode String 6085 268 22.705223880597014
395 🆓 Longest Substring with At Least K Repeating Characters 3231 294 10.989795918367347
396 🆓 Rotate Function 672 196 3.4285714285714284
397 🆓 Integer Replacement 646 396 1.6313131313131313
398 🆓 Random Pick Index 781 920 0.8489130434782609
399 🆓 Evaluate Division 4117 335 12.289552238805971
400 🆓 Nth Digit 564 1356 0.415929203539823
401 🆓 Binary Watch 826 1530 0.5398692810457516
402 🆓 Remove K Digits 3993 168 23.767857142857142
403 🆓 Frog Jump 1963 146 13.445205479452055
404 🆓 Sum of Left Leaves 2332 203 11.48768472906404
405 🆓 Convert a Number to Hexadecimal 744 146 5.095890410958904
406 🆓 Queue Reconstruction by Height 4440 483 9.192546583850932
407 🆓 Trapping Rain Water II 2253 49 45.97959183673469
408 💰 Valid Word Abbreviation 249 1094 0.22760511882998172
409 🆓 Longest Palindrome 1995 123 16.21951219512195
410 🆓 Split Array Largest Sum 3544 112 31.642857142857142
411 💰 Minimum Unique Word Abbreviation 153 133 1.150375939849624
412 🆓 Fizz Buzz 1608 1766 0.9105322763306908
413 🆓 Arithmetic Slices 2262 212 10.669811320754716
414 🆓 Third Maximum Number 1325 2045 0.6479217603911981
415 🆓 Add Strings 2441 460 5.306521739130435
416 🆓 Partition Equal Subset Sum 5590 99 56.464646464646464
417 🆓 Pacific Atlantic Water Flow 2670 657 4.063926940639269
418 💰 Sentence Screen Fitting 704 351 2.005698005698006
419 🆓 Battleships in a Board 1174 670 1.7522388059701492
420 🆓 Strong Password Checker 394 1129 0.3489813994685562
421 🆓 Maximum XOR of Two Numbers in an Array 2535 236 10.741525423728813
422 💰 Valid Word Square 253 149 1.6979865771812082
423 🆓 Reconstruct Original Digits from English 422 1251 0.33733013589128696
424 🆓 Longest Repeating Character Replacement 3206 130 24.661538461538463
425 💰 Word Squares 798 51 15.647058823529411
426 💰 Convert Binary Search Tree to Sorted Doubly Linked List 1691 139 12.16546762589928
427 🆓 Construct Quad Tree 389 567 0.6860670194003528
428 💰 Serialize and Deserialize N-ary Tree 721 40 18.025
429 🆓 N-ary Tree Level Order Traversal 1449 80 18.1125
430 🆓 Flatten a Multilevel Doubly Linked List 2743 208 13.1875
431 💰 Encode N-ary Tree to Binary Tree 341 19 17.94736842105263
432 🆓 All O`one Data Structure 908 116 7.827586206896552
433 🆓 Minimum Genetic Mutation 672 81 8.296296296296296
434 🆓 Number of Segments in a String 368 920 0.4
435 🆓 Non-overlapping Intervals 2796 77 36.311688311688314
436 🆓 Find Right Interval 934 221 4.226244343891403
437 🆓 Path Sum III 6095 334 18.248502994011975
438 🆓 Find All Anagrams in a String 5117 214 23.911214953271028
439 💰 Ternary Expression Parser 306 40 7.65
440 🆓 K-th Smallest in Lexicographical Order 480 68 7.0588235294117645
441 🆓 Arranging Coins 1251 849 1.4734982332155477
442 🆓 Find All Duplicates in an Array 4913 223 22.031390134529147
443 🆓 String Compression 1624 3727 0.4357392004292997
444 💰 Sequence Reconstruction 406 1312 0.3094512195121951
445 🆓 Add Two Numbers II 2849 216 13.189814814814815
446 🆓 Arithmetic Slices II - Subsequence 1135 84 13.511904761904763
447 🆓 Number of Boomerangs 506 798 0.6340852130325815
448 🆓 Find All Numbers Disappeared in an Array 4973 333 14.933933933933934
449 🆓 Serialize and Deserialize BST 2295 112 20.491071428571427
450 🆓 Delete Node in a BST 3812 127 30.015748031496063
451 🆓 Sort Characters By Frequency 2939 157 18.719745222929937
452 🆓 Minimum Number of Arrows to Burst Balloons 2191 76 28.82894736842105
453 🆓 Minimum Moves to Equal Array Elements 1105 1406 0.7859174964438123
454 🆓 4Sum II 2424 90 26.933333333333334
455 🆓 Assign Cookies 1094 141 7.75886524822695
456 🆓 132 Pattern 2723 152 17.914473684210527
457 🆓 Circular Array Loop 229 173 1.323699421965318
458 🆓 Poor Pigs 586 1091 0.537121906507791
459 🆓 Repeated Substring Pattern 2823 270 10.455555555555556
460 🆓 LFU Cache 2532 175 14.468571428571428
461 🆓 Hamming Distance 2447 182 13.445054945054945
462 🆓 Minimum Moves to Equal Array Elements II 1112 63 17.650793650793652
463 🆓 Island Perimeter 3658 216 16.935185185185187
464 🆓 Can I Win 1585 256 6.19140625
465 💰 Optimal Account Balancing 937 88 10.647727272727273
466 🆓 Count The Repetitions 259 236 1.097457627118644
467 🆓 Unique Substrings in Wraparound String 919 124 7.411290322580645
468 🆓 Validate IP Address 576 2178 0.2644628099173554
469 💰 Convex Polygon 77 205 0.375609756097561
470 🆓 Implement Rand10() Using Rand7() 779 254 3.0669291338582676
471 💰 Encode String with Shortest Length 511 28 18.25
472 🆓 Concatenated Words 1517 187 8.11229946524064
473 🆓 Matchsticks to Square 1349 111 12.153153153153154
474 🆓 Ones and Zeroes 2325 310 7.5
475 🆓 Heaters 1101 983 1.1200406917599186
476 🆓 Number Complement 1329 90 14.766666666666667
477 🆓 Total Hamming Distance 1337 70 19.1
478 🆓 Generate Random Point in a Circle 331 629 0.5262321144674086
479 🆓 Largest Palindrome Product 108 1410 0.07659574468085106
480 🆓 Sliding Window Median 1770 114 15.526315789473685
481 🆓 Magical String 154 838 0.18377088305489261
482 🆓 License Key Formatting 672 974 0.6899383983572895
483 🆓 Smallest Good Base 238 399 0.5964912280701754
484 💰 Find Permutation 460 74 6.216216216216216
485 🆓 Max Consecutive Ones 1902 391 4.864450127877238
486 🆓 Predict the Winner 2394 128 18.703125
487 💰 Max Consecutive Ones II 866 14 61.857142857142854
488 🆓 Zuma Game 311 348 0.8936781609195402
489 💰 Robot Room Cleaner 1806 109 16.568807339449542
490 💰 The Maze 1214 142 8.549295774647888
491 🆓 Increasing Subsequences 1197 145 8.255172413793103
492 🆓 Construct the Rectangle 340 305 1.1147540983606556
493 🆓 Reverse Pairs 2013 162 12.425925925925926
494 🆓 Target Sum 5312 211 25.175355450236967
495 🆓 Teemo Attacking 157 23 6.826086956521739
496 🆓 Next Greater Element I 773 56 13.803571428571429
497 🆓 Random Point in Non-overlapping Rectangles 359 564 0.6365248226950354
498 🆓 Diagonal Traverse 1626 450 3.6133333333333333
499 💰 The Maze III 290 54 5.37037037037037
500 🆓 Keyboard Row 746 820 0.9097560975609756
501 🆓 Find Mode in Binary Search Tree 1701 476 3.573529411764706
502 🆓 IPO 638 61 10.459016393442623
503 🆓 Next Greater Element II 3385 111 30.495495495495497
504 🆓 Base 7 382 179 2.1340782122905027
505 💰 The Maze II 910 41 22.195121951219512
506 🆓 Relative Ranks 221 10 22.1
507 🆓 Perfect Number 464 775 0.5987096774193549
508 🆓 Most Frequent Subtree Sum 1144 180 6.355555555555555
509 🆓 Fibonacci Number 2135 238 8.970588235294118
510 💰 Inorder Successor in BST II 570 28 20.357142857142858
511 💰 Game Play Analysis I 98 6 16.333333333333332
512 💰 Game Play Analysis II 129 23 5.608695652173913
513 🆓 Find Bottom Left Tree Value 1679 195 8.61025641025641
514 🆓 Freedom Trail 608 30 20.266666666666666
515 🆓 Find Largest Value in Each Tree Row 1635 74 22.094594594594593
516 🆓 Longest Palindromic Subsequence 4108 230 17.860869565217392
517 🆓 Super Washing Machines 470 172 2.7325581395348837
518 🆓 Coin Change 2 3958 86 46.02325581395349
519 🆓 Random Flip Matrix 253 82 3.0853658536585367
520 🆓 Detect Capital 938 309 3.0355987055016183
521 🆓 Longest Uncommon Subsequence I 512 5245 0.09761677788369875
522 🆓 Longest Uncommon Subsequence II 337 988 0.3410931174089069
523 🆓 Continuous Subarray Sum 887 151 5.874172185430464
524 🆓 Longest Word in Dictionary through Deleting 1176 316 3.721518987341772
525 🆓 Contiguous Array 3363 158 21.28481012658228
526 🆓 Beautiful Arrangement 1690 242 6.983471074380165
527 💰 Word Abbreviation 273 183 1.4918032786885247
528 🆓 Random Pick with Weight 3 0 Infinity
529 🆓 Minesweeper 1119 749 1.493991989319092
530 🆓 Minimum Absolute Difference in BST 1597 105 15.209523809523809
531 💰 Lonely Pixel I 269 34 7.911764705882353
532 🆓 K-diff Pairs in an Array 1436 1671 0.8593656493117894
533 💰 Lonely Pixel II 65 653 0.0995405819295559
534 💰 Game Play Analysis III 206 7 29.428571428571427
535 🆓 Encode and Decode TinyURL 1022 2020 0.505940594059406
536 💰 Construct Binary Tree from String 743 123 6.040650406504065
537 🆓 Complex Number Multiplication 441 1060 0.4160377358490566
538 🆓 Convert BST to Greater Tree 2927 146 20.04794520547945
539 🆓 Minimum Time Difference 782 181 4.320441988950276
540 🆓 Single Element in a Sorted Array 3352 90 37.24444444444445
541 🆓 Reverse String II 737 1963 0.37544574630667343
542 🆓 01 Matrix 3419 163 20.975460122699385
543 🆓 Diameter of Binary Tree 6183 385 16.05974025974026
544 💰 Output Contest Matches 333 106 3.141509433962264
545 💰 Boundary of Binary Tree 885 1467 0.6032719836400818
546 🆓 Remove Boxes 1338 87 15.379310344827585
547 🆓 Number of Provinces 3905 212 18.419811320754718
548 💰 Split Array with Equal Sum 352 119 2.957983193277311
549 💰 Binary Tree Longest Consecutive Sequence II 824 62 13.290322580645162
550 💰 Game Play Analysis IV 165 39 4.230769230769231
551 🆓 Student Attendance Record I 156 11 14.181818181818182
552 🆓 Student Attendance Record II 875 155 5.645161290322581
553 🆓 Optimal Division 228 1301 0.17524980784012298
554 🆓 Brick Wall 1623 85 19.094117647058823
555 💰 Split Concatenated Strings 61 222 0.2747747747747748
556 🆓 Next Greater Element III 1603 288 5.565972222222222
557 🆓 Reverse Words in a String III 1893 120 15.775
558 🆓 Logical OR of Two Binary Grids Represented as Quad-Trees 120 382 0.31413612565445026
559 🆓 Maximum Depth of N-ary Tree 1660 65 25.53846153846154
560 🆓 Subarray Sum Equals K 9352 312 29.974358974358974
561 🆓 Array Partition I 496 87 5.7011494252873565
562 💰 Longest Line of Consecutive One in Matrix 583 93 6.268817204301075
563 🆓 Binary Tree Tilt 1073 1669 0.6428999400838825
564 🆓 Find the Closest Palindrome 413 1043 0.3959731543624161
565 🆓 Array Nesting 1697 133 12.759398496240602
566 🆓 Reshape the Matrix 1509 164 9.201219512195122
567 🆓 Permutation in String 3388 90 37.644444444444446
568 💰 Maximum Vacation Days 390 66 5.909090909090909
569 💰 Median Employee Salary 173 95 1.8210526315789475
570 💰 Managers with at Least 5 Direct Reports 178 23 7.739130434782608
571 💰 Find Median Given Frequency of Numbers 172 55 3.1272727272727274
572 🆓 Subtree of Another Tree 4214 200 21.07
573 💰 Squirrel Simulation 286 31 9.225806451612904
574 💰 Winning Candidate 106 364 0.29120879120879123
575 🆓 Distribute Candies 835 1083 0.7710064635272391
576 🆓 Out of Boundary Paths 1285 177 7.259887005649717
577 💰 Employee Bonus 136 73 1.8630136986301369
578 💰 Get Highest Answer Rate Question 68 714 0.09523809523809523
579 💰 Find Cumulative Salary of an Employee 154 332 0.463855421686747
580 💰 Count Student Number in Departments 151 27 5.592592592592593
581 🆓 Shortest Unsorted Continuous Subarray 4439 193 23
582 💰 Kill Process 757 15 50.46666666666667
583 🆓 Delete Operation for Two Strings 2202 39 56.46153846153846
584 💰 Find Customer Referee 123 69 1.7826086956521738
585 💰 Investments in 2016 157 142 1.1056338028169015
586 💰 Customer Placing the Largest Number of Orders 171 15 11.4
587 🆓 Erect the Fence 507 327 1.5504587155963303
588 💰 Design In-Memory File System 743 90 8.255555555555556
589 🆓 N-ary Tree Preorder Traversal 1350 71 19.014084507042252
590 🆓 N-ary Tree Postorder Traversal 1284 76 16.894736842105264
591 🆓 Tag Validator 119 512 0.232421875
592 🆓 Fraction Addition and Subtraction 269 403 0.6674937965260546
593 🆓 Valid Square 567 667 0.8500749625187406
594 🆓 Longest Harmonious Subsequence 1342 138 9.72463768115942
595 🆓 Big Countries 652 801 0.8139825218476904
596 🆓 Classes More Than 5 Students 356 870 0.4091954022988506
597 💰 Friend Requests I: Overall Acceptance Rate 210 495 0.42424242424242425
598 🆓 Range Addition II 563 747 0.7536813922356091
599 🆓 Minimum Index Sum of Two Lists 956 280 3.414285714285714
600 🆓 Non-negative Integers without Consecutive Ones 955 106 9.00943396226415
601 🆓 Human Traffic of Stadium 284 449 0.6325167037861915
602 💰 Friend Requests II: Who Has the Most Friends 224 65 3.4461538461538463
603 💰 Consecutive Available Seats 378 28 13.5
604 💰 Design Compressed String Iterator 324 115 2.8173913043478263
605 🆓 Can Place Flowers 1815 524 3.463740458015267
606 🆓 Construct String from Binary Tree 1155 1515 0.7623762376237624
607 💰 Sales Person 196 39 5.0256410256410255
608 💰 Tree Node 268 17 15.764705882352942
609 🆓 Find Duplicate File in System 735 864 0.8506944444444444
610 💰 Triangle Judgement 172 37 4.648648648648648
611 🆓 Valid Triangle Number 2103 135 15.577777777777778
612 💰 Shortest Distance in a Plane 143 51 2.803921568627451
613 💰 Shortest Distance in a Line 214 28 7.642857142857143
614 💰 Second Degree Follower 93 663 0.14027149321266968
615 💰 Average Salary: Departments VS Company 140 48 2.9166666666666665
616 💰 Add Bold Tag in String 758 115 6.591304347826087
617 🆓 Merge Two Binary Trees 5299 215 24.64651162790698
618 💰 Students Report By Geography 101 115 0.8782608695652174
619 💰 Biggest Single Number 107 90 1.1888888888888889
620 🆓 Not Boring Movies 424 347 1.2219020172910662
621 🆓 Task Scheduler 5651 1047 5.397325692454633
622 🆓 Design Circular Queue 1317 154 8.551948051948052
623 🆓 Add One Row to Tree 1080 168 6.428571428571429
624 💰 Maximum Distance in Arrays 517 59 8.76271186440678
625 💰 Minimum Factorization 109 97 1.1237113402061856
626 🆓 Exchange Seats 555 329 1.6869300911854104
627 🆓 Swap Salary 706 330 2.139393939393939
628 🆓 Maximum Product of Three Numbers 2112 488 4.327868852459017
629 🆓 K Inverse Pairs Array 712 107 6.654205607476635
630 🆓 Course Schedule III 1632 49 33.30612244897959
631 💰 Design Excel Sum Formula 129 142 0.9084507042253521
632 🆓 Smallest Range Covering Elements from K Lists 1718 28 61.357142857142854
633 🆓 Sum of Square Numbers 1076 436 2.467889908256881
634 💰 Find the Derangement of An Array 157 127 1.236220472440945
635 💰 Design Log Storage System 373 158 2.3607594936708862
636 🆓 Exclusive Time of Functions 1300 2045 0.6356968215158925
637 🆓 Average of Levels in Binary Tree 2428 216 11.24074074074074
638 🆓 Shopping Offers 871 575 1.5147826086956522
639 🆓 Decode Ways II 911 714 1.2759103641456582
640 🆓 Solve the Equation 322 642 0.5015576323987538
641 🆓 Design Circular Deque 541 52 10.403846153846153
642 💰 Design Search Autocomplete System 1541 104 14.817307692307692
643 🆓 Maximum Average Subarray I 1232 146 8.438356164383562
644 💰 Maximum Average Subarray II 507 56 9.053571428571429
645 🆓 Set Mismatch 1438 494 2.9109311740890687
646 🆓 Maximum Length of Pair Chain 1812 95 19.073684210526316
647 🆓 Palindromic Substrings 5202 144 36.125
648 🆓 Replace Words 1213 148 8.195945945945946
649 🆓 Dota2 Senate 372 279 1.3333333333333333
650 🆓 2 Keys Keyboard 2134 153 13.947712418300654
651 💰 4 Keys Keyboard 464 66 7.03030303030303
652 🆓 Find Duplicate Subtrees 2539 265 9.581132075471698
653 🆓 Two Sum IV - Input is a BST 2768 176 15.727272727272727
654 🆓 Maximum Binary Tree 3019 285 10.592982456140351
655 🆓 Print Binary Tree 82 87 0.9425287356321839
656 💰 Coin Path 203 92 2.2065217391304346
657 🆓 Robot Return to Origin 1458 707 2.062234794908062
658 🆓 Find K Closest Elements 3291 368 8.942934782608695
659 🆓 Split Array into Consecutive Subsequences 1842 514 3.5836575875486383
660 💰 Remove 9 121 153 0.7908496732026143
661 🆓 Image Smoother 336 1434 0.23430962343096234
662 🆓 Maximum Width of Binary Tree 2851 462 6.170995670995671
663 💰 Equal Tree Partition 398 30 13.266666666666667
664 🆓 Strange Printer 668 59 11.322033898305085
665 🆓 Non-decreasing Array 3304 654 5.051987767584098
666 💰 Path Sum IV 253 342 0.7397660818713451
667 🆓 Beautiful Arrangement II 614 925 0.6637837837837838
668 🆓 Kth Smallest Number in Multiplication Table 851 26 32.73076923076923
669 🆓 Trim a Binary Search Tree 3204 212 15.11320754716981
670 🆓 Maximum Swap 1913 111 17.234234234234233
671 🆓 Second Minimum Node In a Binary Tree 988 1286 0.7682737169517885
672 🆓 Bulb Switcher II 3 9 0.3333333333333333
673 🆓 Number of Longest Increasing Subsequence 2768 137 20.204379562043794
674 🆓 Longest Continuous Increasing Subsequence 1431 154 9.292207792207792
675 🆓 Cut Off Trees for Golf Event 780 459 1.6993464052287581
676 🆓 Implement Magic Dictionary 862 168 5.130952380952381
677 🆓 Map Sum Pairs 1025 114 8.991228070175438
678 🆓 Valid Parenthesis String 2796 71 39.38028169014085
679 🆓 24 Game 1038 195 5.323076923076923
680 🆓 Valid Palindrome II 3350 204 16.42156862745098
681 💰 Next Closest Time 613 883 0.6942242355605889
682 🆓 Baseball Game 842 1294 0.6506955177743431
683 💰 K Empty Slots 693 631 1.098256735340729
684 🆓 Redundant Connection 2948 274 10.75912408759124
685 🆓 Redundant Connection II 1351 258 5.236434108527132
686 🆓 Repeated String Match 1193 870 1.3712643678160918
687 🆓 Longest Univalue Path 2671 588 4.542517006802721
688 🆓 Knight Probability in Chessboard 1623 260 6.242307692307692
689 🆓 Maximum Sum of 3 Non-Overlapping Subarrays 1425 90 15.833333333333334
690 🆓 Employee Importance 1314 1090 1.2055045871559633
691 🆓 Stickers to Spell Word 609 59 10.322033898305085
692 🆓 Top K Frequent Words 3651 223 16.37219730941704
693 🆓 Binary Number with Alternating Bits 750 98 7.653061224489796
694 💰 Number of Distinct Islands 1478 86 17.186046511627907
695 🆓 Max Area of Island 4465 122 36.59836065573771
696 🆓 Count Binary Substrings 2103 365 5.761643835616439
697 🆓 Degree of an Array 1631 1095 1.4894977168949772
698 🆓 Partition to K Equal Sum Subsets 3936 228 17.263157894736842
699 🆓 Falling Squares 389 68 5.720588235294118
700 🆓 Search in a Binary Search Tree 1931 137 14.094890510948906
701 🆓 Insert into a Binary Search Tree 2024 107 18.91588785046729
702 💰 Search in a Sorted Array of Unknown Size 583 32 18.21875
703 🆓 Kth Largest Element in a Stream 1621 973 1.6659815005138747
704 🆓 Binary Search 2292 77 29.766233766233768
705 🆓 Design HashSet 942 132 7.136363636363637
706 🆓 Design HashMap 1957 213 9.187793427230046
707 🆓 Design Linked List 1081 993 1.0886203423967775
708 💰 Insert into a Sorted Circular Linked List 701 494 1.4190283400809716
709 🆓 To Lower Case 843 2135 0.394847775175644
710 🆓 Random Pick with Blacklist 491 83 5.9156626506024095
711 💰 Number of Distinct Islands II 196 204 0.9607843137254902
712 🆓 Minimum ASCII Delete Sum for Two Strings 1636 59 27.728813559322035
713 🆓 Subarray Product Less Than K 2939 104 28.259615384615383
714 🆓 Best Time to Buy and Sell Stock with Transaction Fee 3130 84 37.26190476190476
715 🆓 Range Module 807 60 13.45
716 💰 Max Stack 1180 322 3.6645962732919255
717 🆓 1-bit and 2-bit Characters 624 1595 0.39122257053291537
718 🆓 Maximum Length of Repeated Subarray 3070 72 42.638888888888886
719 🆓 Find K-th Smallest Pair Distance 1629 56 29.089285714285715
720 🆓 Longest Word in Dictionary 1120 1194 0.9380234505862647
721 🆓 Accounts Merge 3046 564 5.400709219858156
722 🆓 Remove Comments 508 1377 0.36891793754538854
723 💰 Candy Crush 656 268 2.4477611940298507
724 🆓 Find Pivot Index 2328 339 6.867256637168142
725 🆓 Split Linked List in Parts 1460 176 8.295454545454545
726 🆓 Number of Atoms 775 194 3.9948453608247423
727 💰 Minimum Window Subsequence 1058 65 16.276923076923076
728 🆓 Self Dividing Numbers 986 337 2.9258160237388724
729 🆓 My Calendar I 1626 54 30.11111111111111
730 🆓 Count Different Palindromic Subsequences 1061 56 18.946428571428573
731 🆓 My Calendar II 974 111 8.774774774774775
732 🆓 My Calendar III 602 135 4.45925925925926
733 🆓 Flood Fill 2749 288 9.54513888888889
734 💰 Sentence Similarity 256 400 0.64
735 🆓 Asteroid Collision 2584 198 13.05050505050505
736 🆓 Parse Lisp Expression 360 275 1.309090909090909
737 💰 Sentence Similarity II 642 39 16.46153846153846
738 🆓 Monotone Increasing Digits 734 79 9.291139240506329
739 🆓 Daily Temperatures 5154 139 37.07913669064748
740 🆓 Delete and Earn 2446 166 14.734939759036145
741 🆓 Cherry Pickup 2065 106 19.4811320754717
742 💰 Closest Leaf in a Binary Tree 659 124 5.314516129032258
743 🆓 Network Delay Time 3220 262 12.290076335877863
744 🆓 Find Smallest Letter Greater Than Target 1000 1008 0.9920634920634921
745 🆓 Prefix and Suffix Search 853 302 2.8245033112582782
746 🆓 Min Cost Climbing Stairs 4428 870 5.089655172413793
747 🆓 Largest Number At Least Twice of Others 551 711 0.7749648382559775
748 🆓 Shortest Completing Word 264 782 0.3375959079283887
749 🆓 Contain Virus 184 342 0.5380116959064327
750 💰 Number Of Corner Rectangles 542 81 6.691358024691358
751 💰 IP to CIDR 6 23 0.2608695652173913
752 🆓 Open the Lock 2286 78 29.307692307692307
753 🆓 Cracking the Safe 71 8 8.875
754 🆓 Reach a Number 887 599 1.4808013355592655
755 💰 Pour Water 237 547 0.43327239488117003
756 🆓 Pyramid Transition Matrix 418 405 1.0320987654320988
757 🆓 Set Intersection Size At Least Two 398 50 7.96
758 💰 Bold Words in String 213 107 1.9906542056074767
759 💰 Employee Free Time 1113 73 15.246575342465754
760 💰 Find Anagram Mappings 444 187 2.374331550802139
761 🆓 Special Binary String 475 155 3.064516129032258
762 🆓 Prime Number of Set Bits in Binary Representation 384 425 0.9035294117647059
763 🆓 Partition Labels 5584 229 24.38427947598253
764 🆓 Largest Plus Sign 967 181 5.342541436464089
765 🆓 Couples Holding Hands 1354 76 17.81578947368421
766 🆓 Toeplitz Matrix 1595 104 15.336538461538462
767 🆓 Reorganize String 3671 161 22.801242236024844
768 🆓 Max Chunks To Make Sorted II 829 27 30.703703703703702
769 🆓 Max Chunks To Make Sorted 1429 158 9.044303797468354
770 🆓 Basic Calculator IV 103 1044 0.09865900383141762
771 🆓 Jewels and Stones 3032 457 6.634573304157549
772 💰 Basic Calculator III 679 235 2.8893617021276596
773 🆓 Sliding Puzzle 1192 32 37.25
774 💰 Minimize Max Distance to Gas Station 539 76 7.092105263157895
775 🆓 Global and Local Inversions 986 282 3.49645390070922
776 💰 Split BST 817 80 10.2125
777 🆓 Swap Adjacent in LR String 622 558 1.114695340501792
778 🆓 Swim in Rising Water 1495 111 13.468468468468469
779 🆓 K-th Symbol in Grammar 1232 223 5.524663677130045
780 🆓 Reaching Points 839 139 6.0359712230215825
781 🆓 Rabbits in Forest 539 437 1.2334096109839816
782 🆓 Transform to Chessboard 267 275 0.9709090909090909
783 🆓 Minimum Distance Between BST Nodes 1321 283 4.667844522968198
784 🆓 Letter Case Permutation 2558 130 19.676923076923078
785 🆓 Is Graph Bipartite? 3296 244 13.508196721311476
786 🆓 K-th Smallest Prime Fraction 628 34 18.470588235294116
787 🆓 Cheapest Flights Within K Stops 3882 159 24.41509433962264
788 🆓 Rotated Digits 511 1624 0.3146551724137931
789 🆓 Escape The Ghosts 13 3 4.333333333333333
790 🆓 Domino and Tromino Tiling 708 347 2.0403458213256482
791 🆓 Custom Sort String 1548 256 6.046875
792 🆓 Number of Matching Subsequences 2242 125 17.936
793 🆓 Preimage Size of Factorial Zeroes Function 254 65 3.9076923076923076
794 🆓 Valid Tic-Tac-Toe State 341 872 0.39105504587155965
795 🆓 Number of Subarrays with Bounded Maximum 1368 81 16.88888888888889
796 🆓 Rotate String 1428 76 18.789473684210527
797 🆓 All Paths From Source to Target 2760 103 26.796116504854368
798 🆓 Smallest Rotation with Highest Score 305 19 16.05263157894737
799 🆓 Champagne Tower 916 64 14.3125
800 💰 Similar RGB Color 75 462 0.16233766233766234
801 🆓 Minimum Swaps To Make Sequences Increasing 1781 121 14.71900826446281
802 🆓 Find Eventual Safe States 1514 291 5.202749140893471
803 🆓 Bricks Falling When Hit 664 160 4.15
804 🆓 Unique Morse Code Words 1051 933 1.1264737406216505
805 🆓 Split Array With Same Average 684 107 6.392523364485982
806 🆓 Number of Lines To Write String 333 1055 0.31563981042654027
807 🆓 Max Increase to Keep City Skyline 1387 379 3.6596306068601585
808 🆓 Soup Servings 225 680 0.33088235294117646
809 🆓 Expressive Words 585 1354 0.4320531757754801
810 🆓 Chalkboard XOR Game 101 219 0.4611872146118721
811 🆓 Subdomain Visit Count 856 1010 0.8475247524752475
812 🆓 Largest Triangle Area 283 1223 0.2313982011447261
813 🆓 Largest Sum of Averages 1390 67 20.746268656716417
814 🆓 Binary Tree Pruning 2067 64 32.296875
815 🆓 Bus Routes 1448 41 35.31707317073171
816 🆓 Ambiguous Coordinates 233 551 0.42286751361161523
817 🆓 Linked List Components 593 1571 0.377466581795035
818 🆓 Race Car 753 81 9.296296296296296
819 🆓 Most Common Word 1110 2315 0.4794816414686825
820 🆓 Short Encoding of Words 637 242 2.6322314049586777
821 🆓 Shortest Distance to a Character 1880 115 16.347826086956523
822 🆓 Card Flipping Game 97 576 0.1684027777777778
823 🆓 Binary Trees With Factors 758 98 7.73469387755102
824 🆓 Goat Latin 598 1018 0.587426326129666
825 🆓 Friends Of Appropriate Ages 461 914 0.5043763676148797
826 🆓 Most Profit Assigning Work 657 93 7.064516129032258
827 🆓 Making A Large Island 1730 44 39.31818181818182
828 🆓 Count Unique Characters of All Substrings of a Given String 776 80 9.7
829 🆓 Consecutive Numbers Sum 810 968 0.8367768595041323
830 🆓 Positions of Large Groups 548 109 5.027522935779817
831 🆓 Masking Personal Information 104 382 0.27225130890052357
832 🆓 Flipping an Image 1664 193 8.621761658031089
833 🆓 Find And Replace in String 577 633 0.9115323854660348
834 🆓 Sum of Distances in Tree 2101 56 37.517857142857146
835 🆓 Image Overlap 27 7 3.857142857142857
836 🆓 Rectangle Overlap 1203 351 3.427350427350427
837 🆓 New 21 Game 849 545 1.5577981651376147
838 🆓 Push Dominoes 1430 93 15.376344086021506
839 🆓 Similar String Groups 642 160 4.0125
840 🆓 Magic Squares In Grid 218 1404 0.15527065527065528
841 🆓 Keys and Rooms 2363 154 15.344155844155845
842 🆓 Split Array into Fibonacci Sequence 737 228 3.232456140350877
843 🆓 Guess the Word 994 1081 0.9195189639222942
844 🆓 Backspace String Compare 3016 141 21.390070921985817
845 🆓 Longest Mountain in Array 1463 50 29.26
846 🆓 Hand of Straights 1127 103 10.941747572815533
847 🆓 Shortest Path Visiting All Nodes 1148 93 12.344086021505376
848 🆓 Shifting Letters 754 93 8.10752688172043
849 🆓 Maximize Distance to Closest Person 1602 141 11.361702127659575
850 🆓 Rectangle Area II 716 44 16.272727272727273
851 🆓 Loud and Rich 465 448 1.0379464285714286
852 🆓 Peak Index in a Mountain Array 1579 1496 1.0554812834224598
853 🆓 Car Fleet 988 356 2.7752808988764044
854 🆓 K-Similar Strings 702 46 15.26086956521739
855 🆓 Exam Room 838 332 2.5240963855421685
856 🆓 Score of Parentheses 2666 80 33.325
857 🆓 Minimum Cost to Hire K Workers 1416 173 8.184971098265896
858 🆓 Mirror Reflection 347 687 0.50509461426492
859 🆓 Buddy Strings 1196 785 1.5235668789808918
860 🆓 Lemonade Change 998 113 8.831858407079647
861 🆓 Score After Flipping Matrix 858 157 5.464968152866242
862 🆓 Shortest Subarray with Sum at Least K 2310 53 43.58490566037736
863 🆓 All Nodes Distance K in Binary Tree 4766 92 51.80434782608695
864 🆓 Shortest Path to Get All Keys 668 24 27.833333333333332
865 🆓 Smallest Subtree with all the Deepest Nodes 1614 309 5.223300970873787
866 🆓 Prime Palindrome 281 683 0.41142020497803805
867 🆓 Transpose Matrix 870 355 2.4507042253521125
868 🆓 Binary Gap 362 568 0.6373239436619719
869 🆓 Reordered Power of 2 500 160 3.125
870 🆓 Advantage Shuffle 1116 70 15.942857142857143
871 🆓 Minimum Number of Refueling Stops 2043 40 51.075
872 🆓 Leaf-Similar Trees 1421 54 26.314814814814813
873 🆓 Length of Longest Fibonacci Subsequence 1220 45 27.11111111111111
874 🆓 Walking Robot Simulation 11 2 5.5
875 🆓 Koko Eating Bananas 2143 118 18.161016949152543
876 🆓 Middle of the Linked List 3420 92 37.17391304347826
877 🆓 Stone Game 1647 1785 0.9226890756302522
878 🆓 Nth Magical Number 341 76 4.4868421052631575
879 🆓 Profitable Schemes 366 36 10.166666666666666
880 🆓 Decoded String at Index 1045 172 6.075581395348837
881 🆓 Boats to Save People 1553 51 30.45098039215686
882 🆓 Reachable Nodes In Subdivided Graph 431 191 2.256544502617801
883 🆓 Projection Area of 3D Shapes 346 1059 0.3267233238904627
884 🆓 Uncommon Words from Two Sentences 751 124 6.056451612903226
885 🆓 Spiral Matrix III 390 460 0.8478260869565217
886 🆓 Possible Bipartition 1812 46 39.391304347826086
887 🆓 Super Egg Drop 1905 111 17.16216216216216
888 🆓 Fair Candy Swap 962 193 4.984455958549223
889 🆓 Construct Binary Tree from Preorder and Postorder Traversal 1549 72 21.51388888888889
890 🆓 Find and Replace Pattern 1533 110 13.936363636363636
891 🆓 Sum of Subsequence Widths 393 124 3.1693548387096775
892 🆓 Surface Area of 3D Shapes 362 512 0.70703125
893 🆓 Groups of Special-Equivalent Strings 385 1356 0.28392330383480824
894 🆓 All Possible Full Binary Trees 1971 156 12.634615384615385
895 🆓 Maximum Frequency Stack 2215 39 56.794871794871796
896 🆓 Monotonic Array 1202 50 24.04
897 🆓 Increasing Order Search Tree 1821 565 3.223008849557522
898 🆓 Bitwise ORs of Subarrays 853 163 5.233128834355829
899 🆓 Orderly Queue 496 337 1.4718100890207715
900 🆓 RLE Iterator 426 127 3.354330708661417
901 🆓 Online Stock Span 1931 190 10.163157894736843
902 🆓 Numbers At Most N Given Digit Set 574 70 8.2
903 🆓 Valid Permutations for DI Sequence 415 33 12.575757575757576
904 🆓 Fruit Into Baskets 389 18 21.61111111111111
905 🆓 Sort Array By Parity 2187 107 20.439252336448597
906 🆓 Super Palindromes 285 364 0.782967032967033
907 🆓 Sum of Subarray Minimums 2526 152 16.61842105263158
908 🆓 Smallest Range I 359 1494 0.24029451137884872
909 🆓 Snakes and Ladders 284 56 5.071428571428571
910 🆓 Smallest Range II 890 317 2.807570977917981
911 🆓 Online Election 571 458 1.2467248908296944
912 🆓 Sort an Array 1373 449 3.0579064587973273
913 🆓 Cat and Mouse 554 98 5.653061224489796
914 🆓 X of a Kind in a Deck of Cards 1027 251 4.091633466135458
915 🆓 Partition Array into Disjoint Intervals 1024 54 18.962962962962962
916 🆓 Word Subsets 828 115 7.2
917 🆓 Reverse Only Letters 1224 48 25.5
918 🆓 Maximum Sum Circular Subarray 2192 92 23.82608695652174
919 🆓 Complete Binary Tree Inserter 584 73 8
920 🆓 Number of Music Playlists 630 62 10.161290322580646
921 🆓 Minimum Add to Make Parentheses Valid 1717 98 17.520408163265305
922 🆓 Sort Array By Parity II 1496 66 22.666666666666668
923 🆓 3Sum With Multiplicity 810 134 6.044776119402985
924 🆓 Minimize Malware Spread 507 380 1.3342105263157895
925 🆓 Long Pressed Name 1295 212 6.1084905660377355
926 🆓 Flip String to Monotone Increasing 1409 43 32.76744186046512
927 🆓 Three Equal Parts 649 101 6.425742574257426
928 🆓 Minimize Malware Spread II 351 64 5.484375
929 🆓 Unique Email Addresses 1507 232 6.495689655172414
930 🆓 Binary Subarrays With Sum 1053 39 27
931 🆓 Minimum Falling Path Sum 1628 88 18.5
932 🆓 Beautiful Array 726 1022 0.7103718199608611
933 🆓 Number of Recent Calls 658 2310 0.28484848484848485
934 🆓 Shortest Bridge 1873 109 17.18348623853211
935 🆓 Knight Dialer 1121 321 3.4922118380062304
936 🆓 Stamping The Sequence 486 118 4.11864406779661
937 🆓 Reorder Data in Log Files 1366 3329 0.41033343346350254
938 🆓 Range Sum of BST 2962 311 9.52411575562701
939 🆓 Minimum Area Rectangle 1192 195 6.112820512820512
940 🆓 Distinct Subsequences II 831 23 36.130434782608695
941 🆓 Valid Mountain Array 1216 105 11.58095238095238
942 🆓 DI String Match 1406 554 2.5379061371841156
943 🆓 Find the Shortest Superstring 882 117 7.538461538461538
944 🆓 Delete Columns to Make Sorted 298 1929 0.15448418869880767
945 🆓 Minimum Increment to Make Array Unique 836 36 23.22222222222222
946 🆓 Validate Stack Sequences 2106 39 54
947 🆓 Most Stones Removed with Same Row or Column 1980 485 4.082474226804123
948 🆓 Bag of Tokens 573 285 2.0105263157894737
949 🆓 Largest Time for Given Digits 496 867 0.5720876585928489
950 🆓 Reveal Cards In Increasing Order 1566 247 6.340080971659919
951 🆓 Flip Equivalent Binary Trees 1309 61 21.459016393442624
952 🆓 Largest Component Size by Common Factor 667 71 9.394366197183098
953 🆓 Verifying an Alien Dictionary 2225 815 2.7300613496932513
954 🆓 Array of Doubled Pairs 844 102 8.27450980392157
955 🆓 Delete Columns to Make Sorted II 396 60 6.6
956 🆓 Tallest Billboard 559 21 26.61904761904762
957 🆓 Prison Cells After N Days 1117 1407 0.7938877043354655
958 🆓 Check Completeness of a Binary Tree 1586 22 72.0909090909091
959 🆓 Regions Cut By Slashes 1699 337 5.041543026706232
960 🆓 Delete Columns to Make Sorted III 374 10 37.4
961 🆓 N-Repeated Element in Size 2N Array 755 275 2.7454545454545456
962 🆓 Maximum Width Ramp 933 25 37.32
963 🆓 Minimum Area Rectangle II 260 355 0.7323943661971831
964 🆓 Least Operators to Express Number 238 62 3.838709677419355
965 🆓 Univalued Binary Tree 1031 55 18.745454545454546
966 🆓 Vowel Spellchecker 321 684 0.4692982456140351
967 🆓 Numbers With Same Consecutive Differences 766 126 6.079365079365079
968 🆓 Binary Tree Cameras 2170 30 72.33333333333333
969 🆓 Pancake Sorting 915 1137 0.8047493403693932
970 🆓 Powerful Integers 193 57 3.3859649122807016
971 🆓 Flip Binary Tree To Match Preorder Traversal 622 225 2.7644444444444445
972 🆓 Equal Rational Numbers 62 168 0.36904761904761907
973 🆓 K Closest Points to Origin 3926 178 22.0561797752809
974 🆓 Subarray Sums Divisible by K 2159 127 17
975 🆓 Odd Even Jump 1147 329 3.486322188449848
976 🆓 Largest Perimeter Triangle 688 65 10.584615384615384
977 🆓 Squares of a Sorted Array 3533 127 27.818897637795274
978 🆓 Longest Turbulent Subarray 1088 159 6.8427672955974845
979 🆓 Distribute Coins in Binary Tree 2971 92 32.29347826086956
980 🆓 Unique Paths III 1870 108 17.314814814814813
981 🆓 Time Based Key-Value Store 1604 174 9.218390804597702
982 🆓 Triples with Bitwise AND Equal To Zero 193 171 1.128654970760234
983 🆓 Minimum Cost For Tickets 3618 67 54
984 🆓 String Without AAA or BBB 384 305 1.259016393442623
985 🆓 Sum of Even Numbers After Queries 618 203 3.044334975369458
986 🆓 Interval List Intersections 2919 68 42.9264705882353
987 🆓 Vertical Order Traversal of a Binary Tree 2155 2826 0.7625619249823071
988 🆓 Smallest String Starting From Leaf 833 150 5.553333333333334
989 🆓 Add to Array-Form of Integer 845 116 7.2844827586206895
990 🆓 Satisfiability of Equality Equations 1126 13 86.61538461538461
991 🆓 Broken Calculator 988 141 7.00709219858156
992 🆓 Subarrays with K Different Integers 2336 31 75.35483870967742
993 🆓 Cousins in Binary Tree 1924 109 17.65137614678899
994 🆓 Rotting Oranges 4587 237 19.354430379746834
995 🆓 Minimum Number of K Consecutive Bit Flips 659 48 13.729166666666666
996 🆓 Number of Squareful Arrays 566 24 23.583333333333332
997 🆓 Find the Town Judge 2051 146 14.047945205479452
998 🆓 Maximum Binary Tree II 296 579 0.5112262521588946
999 🆓 Available Captures for Rook 374 541 0.6913123844731978
1000 🆓 Minimum Cost to Merge Stones 1254 69 18.17391304347826
1001 🆓 Grid Illumination 339 90 3.7666666666666666
1002 🆓 Find Common Characters 1855 165 11.242424242424242
1003 🆓 Check If Word Is Valid After Substitutions 461 413 1.116222760290557
1004 🆓 Max Consecutive Ones III 3267 46 71.02173913043478
1005 🆓 Maximize Sum Of Array After K Negations 745 67 11.119402985074627
1006 🆓 Clumsy Factorial 150 201 0.746268656716418
1007 🆓 Minimum Domino Rotations For Equal Row 1444 199 7.256281407035176
1008 🆓 Construct Binary Search Tree from Preorder Traversal 2816 55 51.2
1009 🆓 Complement of Base 10 Integer 526 49 10.73469387755102
1010 🆓 Pairs of Songs With Total Durations Divisible by 60 1758 91 19.318681318681318
1011 🆓 Capacity To Ship Packages Within D Days 2883 70 41.18571428571428
1012 🆓 Numbers With Repeated Digits 349 56 6.232142857142857
1013 🆓 Partition Array Into Three Parts With Equal Sum 892 105 8.495238095238095
1014 🆓 Best Sightseeing Pair 974 29 33.58620689655172
1015 🆓 Smallest Integer Divisible by K 411 412 0.9975728155339806
1016 🆓 Binary String With Substrings Representing 1 To N 208 431 0.48259860788863107
1017 🆓 Convert to Base -2 289 201 1.4378109452736318
1018 🆓 Binary Prefix Divisible By 5 450 126 3.5714285714285716
1019 🆓 Next Greater Node In Linked List 1726 86 20.069767441860463
1020 🆓 Number of Enclaves 777 29 26.79310344827586
1021 🆓 Remove Outermost Parentheses 1002 1009 0.9930624380574826
1022 🆓 Sum of Root To Leaf Binary Numbers 1535 107 14.345794392523365
1023 🆓 Camelcase Matching 449 192 2.3385416666666665
1024 🆓 Video Stitching 971 42 23.11904761904762
1025 🆓 Divisor Game 1031 2636 0.3911229135053111
1026 🆓 Maximum Difference Between Node and Ancestor 1513 46 32.891304347826086
1027 🆓 Longest Arithmetic Subsequence 1719 86 19.988372093023255
1028 🆓 Recover a Tree From Preorder Traversal 830 28 29.642857142857142
1029 🆓 Two City Scheduling 2142 214 10.009345794392523
1030 🆓 Matrix Cells in Distance Order 388 180 2.1555555555555554
1031 🆓 Maximum Sum of Two Non-Overlapping Subarrays 1358 63 21.555555555555557
1032 🆓 Stream of Characters 912 129 7.069767441860465
1033 🆓 Moving Stones Until Consecutive 131 555 0.23603603603603604
1034 🆓 Coloring A Border 284 467 0.6081370449678801
1035 🆓 Uncrossed Lines 1398 24 58.25
1036 🆓 Escape a Large Maze 370 127 2.9133858267716537
1037 🆓 Valid Boomerang 189 317 0.5962145110410094
1038 🆓 Binary Search Tree to Greater Sum Tree 1965 120 16.375
1039 🆓 Minimum Score Triangulation of Polygon 833 100 8.33
1040 🆓 Moving Stones Until Consecutive II 267 461 0.579175704989154
1041 🆓 Robot Bounded In Circle 1841 472 3.9004237288135593
1042 🆓 Flower Planting With No Adjacent 691 617 1.119935170178282
1043 🆓 Partition Array for Maximum Sum 1710 175 9.771428571428572
1044 🆓 Longest Duplicate Substring 1063 269 3.9516728624535316
1045 💰 Customers Who Bought All Products 146 27 5.407407407407407
1046 🆓 Last Stone Weight 1701 43 39.55813953488372
1047 🆓 Remove All Adjacent Duplicates In String 2317 135 17.16296296296296
1048 🆓 Longest String Chain 2547 127 20.055118110236222
1049 🆓 Last Stone Weight II 1705 64 26.640625
1050 💰 Actors and Directors Who Cooperated At Least Three Times 101 21 4.809523809523809
1051 🆓 Height Checker 229 33 6.9393939393939394
1052 🆓 Grumpy Bookstore Owner 930 84 11.071428571428571
1053 🆓 Previous Permutation With One Swap 126 15 8.4
1054 🆓 Distant Barcodes 705 31 22.741935483870968
1055 💰 Shortest Way to Form String 728 43 16.930232558139537
1056 💰 Confusing Number 137 86 1.5930232558139534
1057 💰 Campus Bikes 745 133 5.601503759398496
1058 💰 Minimize Rounding Error to Meet Target 119 113 1.0530973451327434
1059 💰 All Paths from Source Lead to Destination 375 66 5.681818181818182
1060 💰 Missing Element in Sorted Array 1058 44 24.045454545454547
1061 💰 Lexicographically Smallest Equivalent String 159 8 19.875
1062 💰 Longest Repeating Substring 435 25 17.4
1063 💰 Number of Valid Subarrays 147 8 18.375
1064 💰 Fixed Point 232 52 4.461538461538462
1065 💰 Index Pairs of a String 175 67 2.611940298507463
1066 💰 Campus Bikes II 576 46 12.521739130434783
1067 💰 Digit Count in Range 53 13 4.076923076923077
1068 💰 Product Sales Analysis I 70 73 0.958904109589041
1069 💰 Product Sales Analysis II 45 119 0.37815126050420167
1070 💰 Product Sales Analysis III 65 217 0.2995391705069124
1071 🆓 Greatest Common Divisor of Strings 982 222 4.423423423423423
1072 🆓 Flip Columns For Maximum Number of Equal Rows 434 34 12.764705882352942
1073 🆓 Adding Two Negabinary Numbers 182 78 2.3333333333333335
1074 🆓 Number of Submatrices That Sum to Target 1359 34 39.970588235294116
1075 💰 Project Employees I 59 56 1.0535714285714286
1076 💰 Project Employees II 106 33 3.212121212121212
1077 💰 Project Employees III 145 3 48.333333333333336
1078 🆓 Occurrences After Bigram 280 269 1.0408921933085502
1079 🆓 Letter Tile Possibilities 1346 43 31.302325581395348
1080 🆓 Insufficient Nodes in Root to Leaf Paths 321 431 0.7447795823665894
1081 🆓 Smallest Subsequence of Distinct Characters 1202 128 9.390625
1082 💰 Sales Analysis I 128 39 3.282051282051282
1083 💰 Sales Analysis II 151 28 5.392857142857143
1084 💰 Sales Analysis III 130 40 3.25
1085 💰 Sum of Digits in the Minimum Number 67 130 0.5153846153846153
1086 💰 High Five 572 95 6.021052631578947
1087 💰 Brace Expansion 398 36 11.055555555555555
1088 💰 Confusing Number II 315 86 3.6627906976744184
1089 🆓 Duplicate Zeros 1263 428 2.9509345794392523
1090 🆓 Largest Values From Labels 243 515 0.47184466019417476
1091 🆓 Shortest Path in Binary Matrix 1670 89 18.764044943820224
1092 🆓 Shortest Common Supersequence 1582 34 46.529411764705884
1093 🆓 Statistics from a Large Sample 29 34 0.8529411764705882
1094 🆓 Car Pooling 1600 45 35.55555555555556
1095 🆓 Find in Mountain Array 801 47 17.04255319148936
1096 🆓 Brace Expansion II 321 197 1.6294416243654823
1097 💰 Game Play Analysis V 96 24 4
1098 💰 Unpopular Books 118 306 0.38562091503267976
1099 💰 Two Sum Less Than K 653 72 9.069444444444445
1100 💰 Find K-Length Substrings With No Repeated Characters 311 6 51.833333333333336
1101 💰 The Earliest Moment When Everyone Become Friends 248 8 31
1102 💰 Path With Maximum Minimum Value 790 85 9.294117647058824
1103 🆓 Distribute Candies to People 621 158 3.930379746835443
1104 🆓 Path In Zigzag Labelled Binary Tree 797 225 3.542222222222222
1105 🆓 Filling Bookcase Shelves 1060 63 16.825396825396826
1106 🆓 Parsing A Boolean Expression 477 29 16.448275862068964
1107 💰 New Users Daily Count 88 72 1.2222222222222223
1108 🆓 Defanging an IP Address 868 1337 0.6492146596858639
1109 🆓 Corporate Flight Bookings 826 131 6.305343511450381
1110 🆓 Delete Nodes And Return Forest 2266 65 34.86153846153846
1111 🆓 Maximum Nesting Depth of Two Valid Parentheses Strings 242 1056 0.22916666666666666
1112 💰 Highest Grade For Each Student 150 4 37.5
1113 💰 Reported Posts 58 232 0.25
1114 🆓 Print in Order 852 151 5.642384105960265
1115 🆓 Print FooBar Alternately 423 33 12.818181818181818
1116 🆓 Print Zero Even Odd 284 188 1.5106382978723405
1117 🆓 Building H2O 290 80 3.625
1118 💰 Number of Days in a Month 25 128 0.1953125
1119 💰 Remove Vowels from a String 219 99 2.212121212121212
1120 💰 Maximum Average Subtree 613 21 29.19047619047619
1121 💰 Divide Array Into Increasing Sequences 79 22 3.590909090909091
1122 🆓 Relative Sort Array 1392 90 15.466666666666667
1123 🆓 Lowest Common Ancestor of Deepest Leaves 891 691 1.2894356005788712
1124 🆓 Longest Well-Performing Interval 788 84 9.380952380952381
1125 🆓 Smallest Sufficient Team 593 10 59.3
1126 💰 Active Businesses 148 15 9.866666666666667
1127 💰 User Purchase Platform 117 86 1.3604651162790697
1128 🆓 Number of Equivalent Domino Pairs 397 206 1.9271844660194175
1129 🆓 Shortest Path with Alternating Colors 908 46 19.73913043478261
1130 🆓 Minimum Cost Tree From Leaf Values 2594 190 13.652631578947368
1131 🆓 Maximum of Absolute Value Expression 387 297 1.303030303030303
1132 💰 Reported Posts II 91 312 0.2916666666666667
1133 💰 Largest Unique Number 205 15 13.666666666666666
1134 💰 Armstrong Number 133 16 8.3125
1135 💰 Connecting Cities With Minimum Cost 695 39 17.82051282051282
1136 💰 Parallel Courses 516 15 34.4
1137 🆓 N-th Tribonacci Number 1084 71 15.267605633802816
1138 🆓 Alphabet Board Path 548 127 4.31496062992126
1139 🆓 Largest 1-Bordered Square 400 71 5.633802816901408
1140 🆓 Stone Game II 1070 233 4.592274678111588
1141 💰 User Activity for the Past 30 Days I 71 59 1.2033898305084745
1142 💰 User Activity for the Past 30 Days II 62 234 0.26495726495726496
1143 🆓 Longest Common Subsequence 4566 55 83.01818181818182
1144 🆓 Decrease Elements To Make Array Zigzag 227 132 1.7196969696969697
1145 🆓 Binary Tree Coloring Game 814 158 5.151898734177215
1146 🆓 Snapshot Array 1099 191 5.7539267015706805
1147 🆓 Longest Chunked Palindrome Decomposition 353 21 16.80952380952381
1148 💰 Article Views I 67 10 6.7
1149 💰 Article Views II 67 21 3.1904761904761907
1150 💰 Check If a Number Is Majority Element in a Sorted Array 246 29 8.482758620689655
1151 💰 Minimum Swaps to Group All 1's Together 512 4 128
1152 💰 Analyze User Website Visit Pattern 234 2128 0.1099624060150376
1153 💰 String Transforms Into Another String 666 252 2.642857142857143
1154 🆓 Day of the Year 194 258 0.751937984496124
1155 🆓 Number of Dice Rolls With Target Sum 1614 72 22.416666666666668
1156 🆓 Swap For Longest Repeated Character Substring 594 56 10.607142857142858
1157 🆓 Online Majority Element In Subarray 384 41 9.365853658536585
1158 💰 Market Analysis I 85 28 3.0357142857142856
1159 💰 Market Analysis II 69 32 2.15625
1160 🆓 Find Words That Can Be Formed by Characters 788 109 7.229357798165138
1161 🆓 Maximum Level Sum of a Binary Tree 1086 48 22.625
1162 🆓 As Far from Land as Possible 1212 47 25.78723404255319
1163 🆓 Last Substring in Lexicographical Order 383 388 0.9871134020618557
1164 💰 Product Price at a Given Date 192 51 3.764705882352941
1165 💰 Single-Row Keyboard 309 17 18.176470588235293
1166 💰 Design File System 201 19 10.578947368421053
1167 💰 Minimum Cost to Connect Sticks 761 139 5.474820143884892
1168 💰 Optimize Water Distribution in a Village 631 23 27.434782608695652
1169 🆓 Invalid Transactions 219 1229 0.17819365337672904
1170 🆓 Compare Strings by Frequency of the Smallest Character 427 849 0.502944640753828
1171 🆓 Remove Zero Sum Consecutive Nodes from Linked List 1135 64 17.734375
1172 🆓 Dinner Plate Stacks 274 46 5.956521739130435
1173 💰 Immediate Food Delivery I 130 7 18.571428571428573
1174 💰 Immediate Food Delivery II 67 41 1.6341463414634145
1175 🆓 Prime Arrangements 202 321 0.6292834890965732
1176 💰 Diet Plan Performance 102 229 0.44541484716157204
1177 🆓 Can Make Palindrome from Substring 454 210 2.1619047619047618
1178 🆓 Number of Valid Words for Each Puzzle 387 39 9.923076923076923
1179 🆓 Reformat Department Table 353 251 1.406374501992032
1180 💰 Count Substrings with Only One Distinct Letter 237 40 5.925
1181 💰 Before and After Puzzle 60 135 0.4444444444444444
1182 💰 Shortest Distance to Target Color 272 10 27.2
1183 💰 Maximum Number of Ones 88 9 9.777777777777779
1184 🆓 Distance Between Bus Stops 442 51 8.666666666666666
1185 🆓 Day of the Week 194 1690 0.11479289940828402
1186 🆓 Maximum Subarray Sum with One Deletion 1033 37 27.91891891891892
1187 🆓 Make Array Strictly Increasing 500 15 33.333333333333336
1188 💰 Design Bounded Blocking Queue 344 29 11.862068965517242
1189 🆓 Maximum Number of Balloons 852 64 13.3125
1190 🆓 Reverse Substrings Between Each Pair of Parentheses 985 29 33.96551724137931
1191 🆓 K-Concatenation Maximum Sum 716 69 10.376811594202898
1192 🆓 Critical Connections in a Network 2999 133 22.548872180451127
1193 💰 Monthly Transactions I 86 16 5.375
1194 💰 Tournament Winners 78 33 2.3636363636363638
1195 🆓 Fizz Buzz Multithreaded 298 236 1.2627118644067796
1196 💰 How Many Apples Can You Put into the Basket 126 12 10.5
1197 💰 Minimum Knight Moves 899 295 3.047457627118644
1198 💰 Find Smallest Common Element in All Rows 303 21 14.428571428571429
1199 💰 Minimum Time to Build Blocks 131 16 8.1875
1200 🆓 Minimum Absolute Difference 810 39 20.76923076923077
1201 🆓 Ugly Number III 578 354 1.6327683615819208
1202 🆓 Smallest String With Swaps 1109 38 29.18421052631579
1203 🆓 Sort Items by Groups Respecting Dependencies 515 77 6.688311688311688
1204 💰 Last Person to Fit in the Bus 163 13 12.538461538461538
1205 💰 Monthly Transactions II 88 289 0.3044982698961938
1206 🆓 Design Skiplist 308 39 7.897435897435898
1207 🆓 Unique Number of Occurrences 911 30 30.366666666666667
1208 🆓 Get Equal Substrings Within Budget 505 38 13.289473684210526
1209 🆓 Remove All Adjacent Duplicates in String II 2063 43 47.97674418604651
1210 🆓 Minimum Moves to Reach Target with Rotations 170 53 3.207547169811321
1211 💰 Queries Quality and Percentage 75 124 0.6048387096774194
1212 💰 Team Scores in Football Tournament 189 17 11.117647058823529
1213 💰 Intersection of Three Sorted Arrays 358 20 17.9
1214 💰 Two Sum BSTs 318 29 10.96551724137931
1215 💰 Stepping Numbers 151 16 9.4375
1216 💰 Valid Palindrome III 344 6 57.333333333333336
1217 🆓 Minimum Cost to Move Chips to The Same Position 601 88 6.829545454545454
1218 🆓 Longest Arithmetic Subsequence of Given Difference 705 34 20.735294117647058
1219 🆓 Path with Maximum Gold 1472 44 33.45454545454545
1220 🆓 Count Vowels Permutation 815 83 9.819277108433734
1221 🆓 Split a String in Balanced Strings 1393 681 2.0455212922173276
1222 🆓 Queens That Can Attack the King 584 108 5.407407407407407
1223 🆓 Dice Roll Simulation 611 170 3.5941176470588236
1224 🆓 Maximum Equal Frequency 304 34 8.941176470588236
1225 💰 Report Contiguous Dates 176 13 13.538461538461538
1226 🆓 The Dining Philosophers 148 167 0.8862275449101796
1227 🆓 Airplane Seat Assignment Probability 310 567 0.54673721340388
1228 💰 Missing Number In Arithmetic Progression 212 25 8.48
1229 💰 Meeting Scheduler 512 23 22.26086956521739
1230 💰 Toss Strange Coins 158 9 17.555555555555557
1231 💰 Divide Chocolate 524 36 14.555555555555555
1232 🆓 Check If It Is a Straight Line 669 105 6.371428571428571
1233 🆓 Remove Sub-Folders from the Filesystem 474 69 6.869565217391305
1234 🆓 Replace the Substring for Balanced String 635 138 4.601449275362318
1235 🆓 Maximum Profit in Job Scheduling 2402 25 96.08
1236 💰 Web Crawler 159 178 0.8932584269662921
1237 🆓 Find Positive Integer Solution for a Given Equation 290 1037 0.2796528447444552
1238 🆓 Circular Permutation in Binary Representation 196 146 1.3424657534246576
1239 🆓 Maximum Length of a Concatenated String with Unique Characters 1472 140 10.514285714285714
1240 🆓 Tiling a Rectangle with the Fewest Squares 383 362 1.058011049723757
1241 💰 Number of Comments per Post 113 302 0.3741721854304636
1242 💰 Web Crawler Multithreaded 324 62 5.225806451612903
1243 💰 Array Transformation 95 46 2.0652173913043477
1244 💰 Design A Leaderboard 322 62 5.193548387096774
1245 💰 Tree Diameter 514 11 46.72727272727273
1246 💰 Palindrome Removal 240 9 26.666666666666668
1247 🆓 Minimum Swaps to Make Strings Equal 699 194 3.6030927835051547
1248 🆓 Count Number of Nice Subarrays 1254 29 43.241379310344826
1249 🆓 Minimum Remove to Make Valid Parentheses 2816 60 46.93333333333333
1250 🆓 Check If It Is a Good Array 187 244 0.7663934426229508
1251 💰 Average Selling Price 179 19 9.421052631578947
1252 🆓 Cells with Odd Values in a Matrix 589 934 0.6306209850107066
1253 🆓 Reconstruct a 2-Row Binary Matrix 261 20 13.05
1254 🆓 Number of Closed Islands 1236 32 38.625
1255 🆓 Maximum Score Words Formed by Letters 455 29 15.689655172413794
1256 💰 Encode Number 53 180 0.29444444444444445
1257 💰 Smallest Common Region 249 25 9.96
1258 💰 Synonymous Sentences 171 64 2.671875
1259 💰 Handshakes That Don't Cross 88 6 14.666666666666666
1260 🆓 Shift 2D Grid 398 130 3.0615384615384613
1261 🆓 Find Elements in a Contaminated Binary Tree 466 69 6.753623188405797
1262 🆓 Greatest Sum Divisible by Three 945 29 32.58620689655172
1263 🆓 Minimum Moves to Move a Box to Their Target Location 499 36 13.86111111111111
1264 💰 Page Recommendations 108 4 27
1265 💰 Print Immutable Linked List in Reverse 340 65 5.230769230769231
1266 🆓 Minimum Time Visiting All Points 1009 144 7.006944444444445
1267 🆓 Count Servers that Communicate 719 65 11.061538461538461
1268 🆓 Search Suggestions System 1597 107 14.925233644859814
1269 🆓 Number of Ways to Stay in the Same Place After Some Steps 446 25 17.84
1270 💰 All People Report to the Given Manager 236 17 13.882352941176471
1271 💰 Hexspeak 54 93 0.5806451612903226
1272 💰 Remove Interval 210 19 11.052631578947368
1273 💰 Delete Tree Nodes 170 56 3.0357142857142856
1274 💰 Number of Ships in a Rectangle 208 33 6.303030303030303
1275 🆓 Find Winner on a Tic Tac Toe Game 603 163 3.6993865030674846
1276 🆓 Number of Burgers with No Waste of Ingredients 180 171 1.0526315789473684
1277 🆓 Count Square Submatrices with All Ones 2636 42 62.76190476190476
1278 🆓 Palindrome Partitioning III 588 12 49
1279 💰 Traffic Light Controlled Intersection 43 222 0.19369369369369369
1280 💰 Students and Examinations 196 27 7.2592592592592595
1281 🆓 Subtract the Product and Sum of Digits of an Integer 699 161 4.341614906832298
1282 🆓 Group the People Given the Group Size They Belong To 761 419 1.8162291169451075
1283 🆓 Find the Smallest Divisor Given a Threshold 1013 139 7.287769784172662
1284 🆓 Minimum Number of Flips to Convert Binary Matrix to Zero Matrix 398 40 9.95
1285 💰 Find the Start and End Number of Continuous Ranges 266 16 16.625
1286 🆓 Iterator for Combination 677 50 13.54
1287 🆓 Element Appearing More Than 25% In Sorted Array 545 34 16.029411764705884
1288 🆓 Remove Covered Intervals 760 30 25.333333333333332
1289 🆓 Minimum Falling Path Sum II 549 53 10.358490566037736
1290 🆓 Convert Binary Number in a Linked List to Integer 1609 81 19.864197530864196
1291 🆓 Sequential Digits 648 57 11.368421052631579
1292 🆓 Maximum Side Length of a Square with Sum Less than or Equal to Threshold 652 47 13.872340425531915
1293 🆓 Shortest Path in a Grid with Obstacles Elimination 1455 23 63.26086956521739
1294 💰 Weather Type in Each Country 63 16 3.9375
1295 🆓 Find Numbers with Even Number of Digits 906 92 9.847826086956522
1296 🆓 Divide Array in Sets of K Consecutive Numbers 890 75 11.866666666666667
1297 🆓 Maximum Number of Occurrences of a Substring 476 253 1.8814229249011858
1298 🆓 Maximum Candies You Can Get from Boxes 146 106 1.3773584905660377
1299 🆓 Replace Elements with Greatest Element on Right Side 969 158 6.132911392405063
1300 🆓 Sum of Mutated Array Closest to Target 613 80 7.6625
1301 🆓 Number of Paths with Max Score 260 14 18.571428571428573
1302 🆓 Deepest Leaves Sum 1896 67 28.29850746268657
1303 💰 Find the Team Size 177 11 16.09090909090909
1304 🆓 Find N Unique Integers Sum up to Zero 784 383 2.0469973890339426
1305 🆓 All Elements in Two Binary Search Trees 1239 46 26.934782608695652
1306 🆓 Jump Game III 1699 43 39.51162790697674
1307 🆓 Verbal Arithmetic Puzzle 256 69 3.710144927536232
1308 💰 Running Total for Different Genders 117 21 5.571428571428571
1309 🆓 Decrypt String from Alphabet to Integer Mapping 699 62 11.274193548387096
1310 🆓 XOR Queries of a Subarray 705 27 26.11111111111111
1311 🆓 Get Watched Videos by Your Friends 174 262 0.6641221374045801
1312 🆓 Minimum Insertion Steps to Make a String Palindrome 1214 22 55.18181818181818
1313 🆓 Decompress Run-Length Encoded List 590 962 0.6133056133056133
1314 🆓 Matrix Block Sum 1299 203 6.399014778325123
1315 🆓 Sum of Nodes with Even-Valued Grandparent 1336 47 28.425531914893618
1316 🆓 Distinct Echo Substrings 136 152 0.8947368421052632
1317 🆓 Convert Integer to the Sum of Two No-Zero Integers 212 190 1.1157894736842104
1318 🆓 Minimum Flips to Make a OR b Equal to c 337 32 10.53125
1319 🆓 Number of Operations to Make Network Connected 1429 23 62.130434782608695
1320 🆓 Minimum Distance to Type a Word Using Two Fingers 654 27 24.22222222222222
1321 💰 Restaurant Growth 191 27 7.074074074074074
1322 💰 Ads Performance 151 35 4.314285714285714
1323 🆓 Maximum 69 Number 780 104 7.5
1324 🆓 Print Words Vertically 337 80 4.2125
1325 🆓 Delete Leaves With a Given Value 1048 22 47.63636363636363
1326 🆓 Minimum Number of Taps to Open to Water a Garden 1091 84 12.988095238095237
1327 💰 List the Products Ordered in a Period 63 17 3.7058823529411766
1328 🆓 Break a Palindrome 622 405 1.5358024691358025
1329 🆓 Sort the Matrix Diagonally 1302 164 7.939024390243903
1330 🆓 Reverse Subarray To Maximize Array Value 282 30 9.4
1331 🆓 Rank Transform of an Array 663 43 15.418604651162791
1332 🆓 Remove Palindromic Subsequences 118 201 0.5870646766169154
1333 🆓 Filter Restaurants by Vegan-Friendly, Price and Distance 177 158 1.120253164556962
1334 🆓 Find the City With the Smallest Number of Neighbors at a Threshold Distance 853 48 17.770833333333332
1335 🆓 Minimum Difficulty of a Job Schedule 916 106 8.641509433962264
1336 💰 Number of Transactions per Visit 48 203 0.23645320197044334
1337 🆓 The K Weakest Rows in a Matrix 1186 76 15.605263157894736
1338 🆓 Reduce Array Size to The Half 969 73 13.273972602739725
1339 🆓 Maximum Product of Splitted Binary Tree 1012 52 19.46153846153846
1340 🆓 Jump Game V 505 20 25.25
1341 💰 Movie Rating 71 37 1.9189189189189189
1342 🆓 Number of Steps to Reduce a Number to Zero 1170 95 12.31578947368421
1343 🆓 Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold 381 50 7.62
1344 🆓 Angle Between Hands of a Clock 705 157 4.490445859872612
1345 🆓 Jump Game IV 834 51 16.352941176470587
1346 🆓 Check If N and Its Double Exist 570 81 7.037037037037037
1347 🆓 Minimum Number of Steps to Make Two Strings Anagram 869 51 17.03921568627451
1348 🆓 Tweet Counts Per Frequency 76 136 0.5588235294117647
1349 🆓 Maximum Students Taking Exam 475 9 52.77777777777778
1350 💰 Students With Invalid Departments 109 7 15.571428571428571
1351 🆓 Count Negative Numbers in a Sorted Matrix 1539 63 24.428571428571427
1352 🆓 Product of the Last K Numbers 686 39 17.58974358974359
1353 🆓 Maximum Number of Events That Can Be Attended 1299 169 7.686390532544379
1354 🆓 Construct Target Array With Multiple Sums 591 70 8.442857142857143
1355 💰 Activity Participants 79 27 2.925925925925926
1356 🆓 Sort Integers by The Number of 1 Bits 718 33 21.757575757575758
1357 🆓 Apply Discount Every n Orders 94 141 0.6666666666666666
1358 🆓 Number of Substrings Containing All Three Characters 1029 21 49
1359 🆓 Count All Valid Pickup and Delivery Options 409 58 7.051724137931035
1360 🆓 Number of Days Between Two Dates 139 640 0.2171875
1361 🆓 Validate Binary Tree Nodes 567 197 2.8781725888324874
1362 🆓 Closest Divisors 151 75 2.013333333333333
1363 🆓 Largest Multiple of Three 318 47 6.76595744680851
1364 💰 Number of Trusted Contacts of a Customer 42 225 0.18666666666666668
1365 🆓 How Many Numbers Are Smaller Than the Current Number 2343 51 45.94117647058823
1366 🆓 Rank Teams by Votes 592 65 9.107692307692307
1367 🆓 Linked List in Binary Tree 1068 39 27.384615384615383
1368 🆓 Minimum Cost to Make at Least One Valid Path in a Grid 748 6 124.66666666666667
1369 💰 Get the Second Most Recent Activity 79 7 11.285714285714286
1370 🆓 Increasing Decreasing String 440 527 0.8349146110056926
1371 🆓 Find the Longest Substring Containing Vowels in Even Counts 895 35 25.571428571428573
1372 🆓 Longest ZigZag Path in a Binary Tree 804 16 50.25
1373 🆓 Maximum Sum BST in Binary Tree 712 96 7.416666666666667
1374 🆓 Generate a String With Characters That Have Odd Counts 248 908 0.27312775330396477
1375 🆓 Bulb Switcher III 609 95 6.410526315789474
1376 🆓 Time Needed to Inform All Employees 1168 80 14.6
1377 🆓 Frog Position After T Seconds 319 86 3.7093023255813953
1378 💰 Replace Employee ID With The Unique Identifier 52 29 1.793103448275862
1379 🆓 Find a Corresponding Node of a Binary Tree in a Clone of That Tree 588 785 0.7490445859872611
1380 🆓 Lucky Numbers in a Matrix 689 56 12.303571428571429
1381 🆓 Design a Stack With Increment Operation 817 62 13.17741935483871
1382 🆓 Balance a Binary Search Tree 1224 43 28.46511627906977
1383 🆓 Maximum Performance of a Team 1028 37 27.783783783783782
1384 💰 Total Sales Amount by Year 108 49 2.204081632653061
1385 🆓 Find the Distance Value Between Two Arrays 231 961 0.24037460978147762
1386 🆓 Cinema Seat Allocation 346 189 1.8306878306878307
1387 🆓 Sort Integers by The Power Value 655 80 8.1875
1388 🆓 Pizza With 3n Slices 458 6 76.33333333333333
1389 🆓 Create Target Array in the Given Order 733 923 0.7941495124593716
1390 🆓 Four Divisors 158 138 1.144927536231884
1391 🆓 Check if There is a Valid Path in a Grid 447 215 2.0790697674418603
1392 🆓 Longest Happy Prefix 491 22 22.318181818181817
1393 💰 Capital Gain/Loss 100 17 5.882352941176471
1394 🆓 Find Lucky Integer in an Array 498 18 27.666666666666668
1395 🆓 Count Number of Teams 1492 145 10.289655172413793
1396 🆓 Design Underground System 939 64 14.671875
1397 🆓 Find All Good Strings 232 94 2.4680851063829787
1398 💰 Customers Who Bought Products A and B but Not C 126 4 31.5
1399 🆓 Count Largest Group 217 579 0.3747841105354059
1400 🆓 Construct K Palindrome Strings 527 54 9.75925925925926
1401 🆓 Circle and Rectangle Overlapping 197 51 3.8627450980392157
1402 🆓 Reducing Dishes 687 113 6.079646017699115
1403 🆓 Minimum Subsequence in Non-Increasing Order 281 334 0.8413173652694611
1404 🆓 Number of Steps to Reduce a Number in Binary Representation to One 388 32 12.125
1405 🆓 Longest Happy String 747 130 5.746153846153846
1406 🆓 Stone Game III 784 19 41.26315789473684
1407 💰 Top Travellers 78 6 13
1408 🆓 String Matching in an Array 415 66 6.287878787878788
1409 🆓 Queries on a Permutation With Key 283 470 0.6021276595744681
1410 🆓 HTML Entity Parser 121 241 0.5020746887966805
1411 🆓 Number of Ways to Paint N × 3 Grid 662 29 22.82758620689655
1412 💰 Find the Quiet Students in All Exams 126 9 14
1413 🆓 Minimum Value to Get Positive Step by Step Sum 470 139 3.381294964028777
1414 🆓 Find the Minimum Number of Fibonacci Numbers Whose Sum Is K 562 44 12.772727272727273
1415 🆓 The k-th Lexicographical String of All Happy Strings of Length n 539 15 35.93333333333333
1416 🆓 Restore The Array 296 9 32.888888888888886
1417 🆓 Reformat The String 333 67 4.970149253731344
1418 🆓 Display Table of Food Orders in a Restaurant 155 293 0.5290102389078498
1419 🆓 Minimum Number of Frogs Croaking 545 36 15.13888888888889
1420 🆓 Build Array Where You Can Find The Maximum Exactly K Comparisons 362 9 40.22222222222222
1421 💰 NPV Queries 16 216 0.07407407407407407
1422 🆓 Maximum Score After Splitting a String 421 21 20.047619047619047
1423 🆓 Maximum Points You Can Obtain from Cards 2207 92 23.98913043478261
1424 🆓 Diagonal Traverse II 664 69 9.623188405797102
1425 🆓 Constrained Subsequence Sum 645 27 23.88888888888889
1426 💰 Counting Elements 71 13 5.461538461538462
1427 💰 Perform String Shifts 108 1 108
1428 💰 Leftmost Column with at Least a One 769 97 7.927835051546392
1429 💰 First Unique Number 321 16 20.0625
1430 💰 Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree 122 9 13.555555555555555
1431 🆓 Kids With the Greatest Number of Candies 1142 225 5.075555555555556
1432 🆓 Max Difference You Can Get From Changing an Integer 122 166 0.7349397590361446
1433 🆓 Check If a String Can Break Another String 410 97 4.22680412371134
1434 🆓 Number of Ways to Wear Different Hats to Each Other 505 6 84.16666666666667
1435 💰 Create a Session Bar Chart 84 144 0.5833333333333334
1436 🆓 Destination City 769 54 14.24074074074074
1437 🆓 Check If All 1's Are at Least Length K Places Away 331 188 1.7606382978723405
1438 🆓 Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit 1660 74 22.43243243243243
1439 🆓 Find the Kth Smallest Sum of a Matrix With Sorted Rows 675 8 84.375
1440 💰 Evaluate Boolean Expression 95 3 31.666666666666668
1441 🆓 Build an Array With Stack Operations 359 631 0.5689381933438986
1442 🆓 Count Triplets That Can Form Two Arrays of Equal XOR 734 36 20.38888888888889
1443 🆓 Minimum Time to Collect All Apples in a Tree 760 73 10.41095890410959
1444 🆓 Number of Ways of Cutting a Pizza 377 14 26.928571428571427
1445 💰 Apples & Oranges 105 15 7
1446 🆓 Consecutive Characters 672 18 37.333333333333336
1447 🆓 Simplified Fractions 188 30 6.266666666666667
1448 🆓 Count Good Nodes in Binary Tree 1685 59 28.559322033898304
1449 🆓 Form Largest Integer With Digits That Add up to Target 430 7 61.42857142857143
1450 🆓 Number of Students Doing Homework at a Given Time 463 113 4.097345132743363
1451 🆓 Rearrange Words in a Sentence 393 57 6.894736842105263
1452 🆓 People Whose List of Favorite Companies Is Not a Subset of Another List 203 179 1.1340782122905029
1453 🆓 Maximum Number of Darts Inside of a Circular Dartboard 102 231 0.44155844155844154
1454 💰 Active Users 213 22 9.681818181818182
1455 🆓 Check If a Word Occurs As a Prefix of Any Word in a Sentence 404 20 20.2
1456 🆓 Maximum Number of Vowels in a Substring of Given Length 563 31 18.161290322580644
1457 🆓 Pseudo-Palindromic Paths in a Binary Tree 816 28 29.142857142857142
1458 🆓 Max Dot Product of Two Subsequences 503 10 50.3
1459 💰 Rectangles Area 46 72 0.6388888888888888
1460 🆓 Make Two Arrays Equal by Reversing Sub-arrays 535 96 5.572916666666667
1461 🆓 Check If a String Contains All Binary Codes of Size K 617 65 9.492307692307692
1462 🆓 Course Schedule IV 559 44 12.704545454545455
1463 🆓 Cherry Pickup II 969 12 80.75
1464 🆓 Maximum Product of Two Elements in an Array 656 115 5.7043478260869565
1465 🆓 Maximum Area of a Piece of Cake After Horizontal and Vertical Cuts 880 211 4.170616113744076
1466 🆓 Reorder Routes to Make All Paths Lead to the City Zero 1023 25 40.92
1467 🆓 Probability of a Two Boxes Having The Same Number of Distinct Balls 181 129 1.4031007751937985
1468 💰 Calculate Salaries 58 11 5.2727272727272725
1469 💰 Find All The Lonely Nodes 272 5 54.4
1470 🆓 Shuffle the Array 1677 154 10.88961038961039
1471 🆓 The k Strongest Values in an Array 333 84 3.9642857142857144
1472 🆓 Design Browser History 758 77 9.844155844155845
1473 🆓 Paint House III 432 23 18.782608695652176
1474 💰 Delete N Nodes After M Nodes of a Linked List 227 7 32.42857142857143
1475 🆓 Final Prices With a Special Discount in a Shop 716 53 13.50943396226415
1476 🆓 Subrectangle Queries 282 759 0.3715415019762846
1477 🆓 Find Two Non-overlapping Sub-arrays Each With Target Sum 981 52 18.865384615384617
1478 🆓 Allocate Mailboxes 577 9 64.11111111111111
1479 💰 Sales by Day of the Week 71 28 2.5357142857142856
1480 🆓 Running Sum of 1d Array 1937 164 11.810975609756097
1481 🆓 Least Number of Unique Integers after K Removals 590 54 10.925925925925926
1482 🆓 Minimum Number of Days to Make m Bouquets 1207 28 43.107142857142854
1483 🆓 Kth Ancestor of a Tree Node 722 72 10.027777777777779
1484 💰 Group Sold Products By The Date 161 9 17.88888888888889
1485 💰 Clone Binary Tree With Random Pointer 195 37 5.27027027027027
1486 🆓 XOR Operation in an Array 640 256 2.5
1487 🆓 Making File Names Unique 271 425 0.6376470588235295
1488 🆓 Avoid Flood in The City 778 170 4.576470588235294
1489 🆓 Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree 350 37 9.45945945945946
1490 💰 Clone N-ary Tree 182 12 15.166666666666666
1491 🆓 Average Salary Excluding the Minimum and Maximum Salary 362 72 5.027777777777778
1492 🆓 The kth Factor of n 446 161 2.770186335403727
1493 🆓 Longest Subarray of 1's After Deleting One Element 625 12 52.083333333333336
1494 🆓 Parallel Courses II 464 36 12.88888888888889
1495 💰 Friendly Movies Streamed Last Month 42 7 6
1496 🆓 Path Crossing 405 7 57.857142857142854
1497 🆓 Check If Array Pairs Are Divisible by k 637 50 12.74
1498 🆓 Number of Subsequences That Satisfy the Given Sum Condition 817 77 10.61038961038961
1499 🆓 Max Value of Equation 642 25 25.68
1500 💰 Design a File Sharing System 29 73 0.3972602739726027
1501 💰 Countries You Can Safely Invest In 105 15 7
1502 🆓 Can Make Arithmetic Progression From Sequence 462 34 13.588235294117647
1503 🆓 Last Moment Before All Ants Fall Out of a Plank 282 167 1.688622754491018
1504 🆓 Count Submatrices With All Ones 1222 92 13.282608695652174
1505 🆓 Minimum Possible Integer After at Most K Adjacent Swaps On Digits 264 14 18.857142857142858
1506 💰 Find Root of N-Ary Tree 278 97 2.865979381443299
1507 🆓 Reformat Date 176 248 0.7096774193548387
1508 🆓 Range Sum of Sorted Subarray Sums 416 80 5.2
1509 🆓 Minimum Difference Between Largest and Smallest Value in Three Moves 759 105 7.228571428571429
1510 🆓 Stone Game IV 509 29 17.551724137931036
1511 💰 Customer Order Frequency 172 29 5.931034482758621
1512 🆓 Number of Good Pairs 1738 123 14.130081300813009
1513 🆓 Number of Substrings With Only 1s 392 20 19.6
1514 🆓 Path with Maximum Probability 840 19 44.21052631578947
1515 🆓 Best Position for a Service Centre 145 179 0.8100558659217877
1516 💰 Move Sub-Tree of N-Ary Tree 18 28 0.6428571428571429
1517 💰 Find Users With Valid E-Mails 82 43 1.9069767441860466
1518 🆓 Water Bottles 570 47 12.127659574468085
1519 🆓 Number of Nodes in the Sub-Tree With the Same Label 313 307 1.019543973941368
1520 🆓 Maximum Number of Non-Overlapping Substrings 401 52 7.711538461538462
1521 🆓 Find a Value of a Mysterious Function Closest to Target 233 8 29.125
1522 💰 Diameter of N-Ary Tree 264 3 88
1523 🆓 Count Odd Numbers in an Interval Range 257 27 9.518518518518519
1524 🆓 Number of Sub-arrays With Odd Sum 567 25 22.68
1525 🆓 Number of Good Ways to Split a String 904 24 37.666666666666664
1526 🆓 Minimum Number of Increments on Subarrays to Form a Target Array 643 41 15.682926829268293
1527 💰 Patients With a Condition 33 75 0.44
1528 🆓 Shuffle String 908 212 4.283018867924528
1529 🆓 Bulb Switcher IV 534 27 19.77777777777778
1530 🆓 Number of Good Leaf Nodes Pairs 863 19 45.421052631578945
1531 🆓 String Compression II 365 34 10.735294117647058
1532 💰 The Most Recent Three Orders 70 2 35
1533 💰 Find the Index of the Large Integer 64 8 8
1534 🆓 Count Good Triplets 333 757 0.43989431968295906
1535 🆓 Find the Winner of an Array Game 393 24 16.375
1536 🆓 Minimum Swaps to Arrange a Binary Grid 341 55 6.2
1537 🆓 Get the Maximum Score 455 30 15.166666666666666
1538 💰 Guess the Majority in a Hidden Array 52 24 2.1666666666666665
1539 🆓 Kth Missing Positive Number 1618 101 16.019801980198018
1540 🆓 Can Convert String in K Moves 246 196 1.2551020408163265
1541 🆓 Minimum Insertions to Balance a Parentheses String 462 96 4.8125
1542 🆓 Find Longest Awesome Substring 435 10 43.5
1543 💰 Fix Product Name Format 44 25 1.76
1544 🆓 Make The String Great 576 45 12.8
1545 🆓 Find Kth Bit in Nth Binary String 337 28 12.035714285714286
1546 🆓 Maximum Number of Non-Overlapping Subarrays With Sum Equals Target 616 13 47.38461538461539
1547 🆓 Minimum Cost to Cut a Stick 786 16 49.125
1548 💰 The Most Similar Path in a Graph 249 115 2.1652173913043478
1549 💰 The Most Recent Orders for Each Product 46 3 15.333333333333334
1550 🆓 Three Consecutive Odds 281 43 6.534883720930233
1551 🆓 Minimum Operations to Make Array Equal 642 113 5.68141592920354
1552 🆓 Magnetic Force Between Two Balls 809 68 11.897058823529411
1553 🆓 Minimum Number of Days to Eat N Oranges 547 37 14.783783783783784
1554 💰 Strings Differ by One Character 108 2 54
1555 💰 Bank Account Summary 73 16 4.5625
1556 🆓 Thousand Separator 267 9 29.666666666666668
1557 🆓 Minimum Number of Vertices to Reach All Nodes 931 52 17.903846153846153
1558 🆓 Minimum Numbers of Function Calls to Make Target Array 330 19 17.36842105263158
1559 🆓 Detect Cycles in 2D Grid 417 13 32.07692307692308
1560 🆓 Most Visited Sector in a Circular Track 167 360 0.4638888888888889
1561 🆓 Maximum Number of Coins You Can Get 429 69 6.217391304347826
1562 🆓 Find Latest Group of Size M 382 85 4.4941176470588236
1563 🆓 Stone Game V 296 53 5.584905660377358
1564 💰 Put Boxes Into the Warehouse I 194 17 11.411764705882353
1565 💰 Unique Orders and Customers Per Month 47 20 2.35
1566 🆓 Detect Pattern of Length M Repeated K or More Times 399 67 5.955223880597015
1567 🆓 Maximum Length of Subarray With Positive Product 709 8 88.625
1568 🆓 Minimum Number of Days to Disconnect Island 290 111 2.6126126126126126
1569 🆓 Number of Ways to Reorder Array to Get Same BST 311 36 8.63888888888889
1570 💰 Dot Product of Two Sparse Vectors 432 58 7.448275862068965
1571 💰 Warehouse Manager 74 7 10.571428571428571
1572 🆓 Matrix Diagonal Sum 715 15 47.666666666666664
1573 🆓 Number of Ways to Split a String 348 49 7.1020408163265305
1574 🆓 Shortest Subarray to be Removed to Make Array Sorted 777 23 33.78260869565217
1575 🆓 Count All Possible Routes 292 14 20.857142857142858
1576 🆓 Replace All ?'s to Avoid Consecutive Repeating Characters 320 134 2.388059701492537
1577 🆓 Number of Ways Where Square of Number Is Equal to Product of Two Numbers 191 41 4.658536585365853
1578 🆓 Minimum Deletion Cost to Avoid Repeating Letters 716 30 23.866666666666667
1579 🆓 Remove Max Number of Edges to Keep Graph Fully Traversable 454 3 151.33333333333334
1580 💰 Put Boxes Into the Warehouse II 115 1 115
1581 💰 Customer Who Visited but Did Not Make Any Transactions 60 21 2.857142857142857
1582 🆓 Special Positions in a Binary Matrix 337 13 25.923076923076923
1583 🆓 Count Unhappy Friends 129 483 0.2670807453416149
1584 🆓 Min Cost to Connect All Points 760 34 22.352941176470587
1585 🆓 Check If String Is Transformable With Substring Sort Operations 291 4 72.75
1586 💰 Binary Search Tree Iterator II 115 16 7.1875
1587 💰 Bank Account Summary II 57 2 28.5
1588 🆓 Sum of All Odd Length Subarrays 1316 127 10.362204724409448
1589 🆓 Maximum Sum Obtained of Any Permutation 405 22 18.40909090909091
1590 🆓 Make Sum Divisible by P 694 32 21.6875
1591 🆓 Strange Printer II 247 8 30.875
1592 🆓 Rearrange Spaces Between Words 192 180 1.0666666666666667
1593 🆓 Split a String Into the Max Number of Unique Substrings 441 16 27.5625
1594 🆓 Maximum Non Negative Product in a Matrix 427 21 20.333333333333332
1595 🆓 Minimum Cost to Connect Two Groups of Points 274 10 27.4
1596 💰 The Most Frequently Ordered Products for Each Customer 119 10 11.9
1597 💰 Build Binary Expression Tree From Infix Expression 104 23 4.521739130434782
1598 🆓 Crawler Log Folder 342 30 11.4
1599 🆓 Maximum Profit of Operating a Centennial Wheel 59 197 0.29949238578680204
1600 🆓 Throne Inheritance 149 209 0.7129186602870813
1601 🆓 Maximum Number of Achievable Transfer Requests 193 26 7.423076923076923
1602 💰 Find Nearest Right Node in Binary Tree 177 3 59
1603 🆓 Design Parking System 450 217 2.0737327188940093
1604 🆓 Alert Using Same Key-Card Three or More Times in a One Hour Period 110 197 0.5583756345177665
1605 🆓 Find Valid Matrix Given Row and Column Sums 669 23 29.08695652173913
1606 🆓 Find Servers That Handled Most Number of Requests 235 8 29.375
1607 💰 Sellers With No Sales 41 7 5.857142857142857
1608 🆓 Special Array With X Elements Greater Than or Equal X 455 78 5.833333333333333
1609 🆓 Even Odd Tree 459 31 14.806451612903226
1610 🆓 Maximum Number of Visible Points 266 352 0.7556818181818182
1611 🆓 Minimum One Bit Operations to Make Integers Zero 235 194 1.211340206185567
1612 💰 Check If Two Expression Trees are Equivalent 76 15 5.066666666666666
1613 💰 Find the Missing IDs 96 14 6.857142857142857
1614 🆓 Maximum Nesting Depth of the Parentheses 565 131 4.312977099236641
1615 🆓 Maximal Network Rank 447 91 4.912087912087912
1616 🆓 Split Two Strings to Make Palindrome 401 184 2.1793478260869565
1617 🆓 Count Subtrees With Max Distance Between Cities 241 25 9.64
1618 💰 Maximum Font to Fit a Sentence in a Screen 64 11 5.818181818181818
1619 🆓 Mean of Array After Removing Some Elements 201 60 3.35
1620 🆓 Coordinate With Maximum Network Quality 54 174 0.3103448275862069
1621 🆓 Number of Sets of K Non-Overlapping Line Segments 260 29 8.96551724137931
1622 🆓 Fancy Sequence 210 76 2.763157894736842
1623 💰 All Valid Triplets That Can Represent a Country 36 65 0.5538461538461539
1624 🆓 Largest Substring Between Two Equal Characters 299 18 16.61111111111111
1625 🆓 Lexicographically Smallest String After Applying Operations 188 212 0.8867924528301887
1626 🆓 Best Team With No Conflicts 609 24 25.375
1627 🆓 Graph Connectivity With Threshold 245 20 12.25
1628 💰 Design an Expression Tree With Evaluate Function 194 38 5.105263157894737
1629 🆓 Slowest Key 442 80 5.525
1630 🆓 Arithmetic Subarrays 388 45 8.622222222222222
1631 🆓 Path With Minimum Effort 1632 79 20.658227848101266
1632 🆓 Rank Transform of a Matrix 517 31 16.677419354838708
1633 💰 Percentage of Users Attended a Contest 38 8 4.75
1634 💰 Add Two Polynomials Represented as Linked Lists 50 2 25
1635 💰 Hopper Company Queries I 47 19 2.473684210526316
1636 🆓 Sort Array by Increasing Frequency 827 34 24.323529411764707
1637 🆓 Widest Vertical Area Between Two Points Containing No Points 117 386 0.30310880829015546
1638 🆓 Count Substrings That Differ by One Character 453 187 2.4224598930481283
1639 🆓 Number of Ways to Form a Target String Given a Dictionary 182 11 16.545454545454547
1640 🆓 Check Array Formation Through Concatenation 583 102 5.715686274509804
1641 🆓 Count Sorted Vowel Strings 1415 32 44.21875
1642 🆓 Furthest Building You Can Reach 1229 42 29.261904761904763
1643 🆓 Kth Smallest Instructions 276 3 92
1644 💰 Lowest Common Ancestor of a Binary Tree II 256 9 28.444444444444443
1645 💰 Hopper Company Queries II 34 9 3.7777777777777777
1646 🆓 Get Maximum in Generated Array 245 388 0.6314432989690721
1647 🆓 Minimum Deletions to Make Character Frequencies Unique 811 21 38.61904761904762
1648 🆓 Sell Diminishing-Valued Colored Balls 465 149 3.120805369127517
1649 🆓 Create Sorted Array through Instructions 413 57 7.245614035087719
1650 💰 Lowest Common Ancestor of a Binary Tree III 444 15 29.6
1651 💰 Hopper Company Queries III 16 26 0.6153846153846154
1652 🆓 Defuse the Bomb 328 39 8.41025641025641
1653 🆓 Minimum Deletions to Make String Balanced 475 13 36.53846153846154
1654 🆓 Minimum Jumps to Reach Home 527 107 4.925233644859813
1655 🆓 Distribute Repeating Integers 166 13 12.76923076923077
1656 🆓 Design an Ordered Stream 139 1211 0.1147811725846408
1657 🆓 Determine if Two Strings Are Close 552 32 17.25
1658 🆓 Minimum Operations to Reduce X to Zero 1217 21 57.95238095238095
1659 🆓 Maximize Grid Happiness 183 42 4.357142857142857
1660 💰 Correct a Binary Tree 125 18 6.944444444444445
1661 💰 Average Time of Process per Machine 70 19 3.6842105263157894
1662 🆓 Check If Two String Arrays are Equivalent 544 99 5.494949494949495
1663 🆓 Smallest String With A Given Numeric Value 487 19 25.63157894736842
1664 🆓 Ways to Make a Fair Array 642 17 37.76470588235294
1665 🆓 Minimum Initial Energy to Finish Tasks 294 26 11.307692307692308
1666 💰 Change the Root of a Binary Tree 39 96 0.40625
1667 💰 Fix Names in a Table 27 25 1.08
1668 🆓 Maximum Repeating Substring 281 92 3.0543478260869565
1669 🆓 Merge In Between Linked Lists 587 94 6.24468085106383
1670 🆓 Design Front Middle Back Queue 321 62 5.17741935483871
1671 🆓 Minimum Number of Removals to Make Mountain Array 483 9 53.666666666666664
1672 🆓 Richest Customer Wealth 858 130 6.6
1673 🆓 Find the Most Competitive Subsequence 1010 55 18.363636363636363
1674 🆓 Minimum Moves to Make Array Complementary 362 48 7.541666666666667
1675 🆓 Minimize Deviation in Array 482 19 25.36842105263158
1676 💰 Lowest Common Ancestor of a Binary Tree IV 182 6 30.333333333333332
1677 💰 Product's Worth Over Invoices 15 55 0.2727272727272727
1678 🆓 Goal Parser Interpretation 448 50 8.96
1679 🆓 Max Number of K-Sum Pairs 544 22 24.727272727272727
1680 🆓 Concatenation of Consecutive Binary Numbers 288 193 1.4922279792746114
1681 🆓 Minimum Incompatibility 142 80 1.775
1682 💰 Longest Palindromic Subsequence II 74 18 4.111111111111111
1683 💰 Invalid Tweets 49 51 0.9607843137254902
1684 🆓 Count the Number of Consistent Strings 556 29 19.17241379310345
1685 🆓 Sum of Absolute Differences in a Sorted Array 484 14 34.57142857142857
1686 🆓 Stone Game VI 371 29 12.793103448275861
1687 🆓 Delivering Boxes from Storage to Ports 193 14 13.785714285714286
1688 🆓 Count of Matches in Tournament 448 88 5.090909090909091
1689 🆓 Partitioning Into Minimum Number Of Deci-Binary Numbers 588 437 1.345537757437071
1690 🆓 Stone Game VII 557 119 4.680672268907563
1691 🆓 Maximum Height by Stacking Cuboids 341 9 37.888888888888886
1692 💰 Count Ways to Distribute Candies 32 5 6.4
1693 💰 Daily Leads and Partners 48 8 6
1694 🆓 Reformat Phone Number 164 134 1.2238805970149254
1695 🆓 Maximum Erasure Value 653 12 54.416666666666664
1696 🆓 Jump Game VI 980 43 22.790697674418606
1697 🆓 Checking Existence of Edge Length Limited Paths 377 6 62.833333333333336
1698 💰 Number of Distinct Substrings in a String 66 17 3.8823529411764706
1699 💰 Number of Calls Between Two Persons 75 2 37.5
1700 🆓 Number of Students Unable to Eat Lunch 502 33 15.212121212121213
1701 🆓 Average Waiting Time 272 29 9.379310344827585
1702 🆓 Maximum Binary String After Change 260 30 8.666666666666666
1703 🆓 Minimum Adjacent Swaps for K Consecutive Ones 327 12 27.25
1704 🆓 Determine if String Halves Are Alike 377 31 12.161290322580646
1705 🆓 Maximum Number of Eaten Apples 396 138 2.869565217391304
1706 🆓 Where Will the Ball Fall 539 42 12.833333333333334
1707 🆓 Maximum XOR With an Element From Array 316 15 21.066666666666666
1708 💰 Largest Subarray Length K 49 60 0.8166666666666667
1709 💰 Biggest Window Between Visits 67 2 33.5
1710 🆓 Maximum Units on a Truck 1025 80 12.8125
1711 🆓 Count Good Meals 382 166 2.3012048192771086
1712 🆓 Ways to Split Array Into Three Subarrays 564 54 10.444444444444445
1713 🆓 Minimum Operations to Make a Subsequence 326 5 65.2
1714 💰 Sum Of Special Evenly-Spaced Elements In Array 16 15 1.0666666666666667
1715 💰 Count Apples and Oranges 41 5 8.2
1716 🆓 Calculate Money in Leetcode Bank 349 12 29.083333333333332
1717 🆓 Maximum Score From Removing Substrings 304 18 16.88888888888889
1718 🆓 Construct the Lexicographically Largest Valid Sequence 319 25 12.76
1719 🆓 Number Of Ways To Reconstruct A Tree 95 70 1.3571428571428572
1720 🆓 Decode XORed Array 483 81 5.962962962962963
1721 🆓 Swapping Nodes in a Linked List 1046 61 17.147540983606557
1722 🆓 Minimize Hamming Distance After Swap Operations 457 13 35.15384615384615
1723 🆓 Find Minimum Time to Finish All Jobs 378 13 29.076923076923077
1724 💰 Checking Existence of Edge Length Limited Paths II 35 4 8.75
1725 🆓 Number Of Rectangles That Can Form The Largest Square 256 34 7.529411764705882
1726 🆓 Tuple with Same Product 326 15 21.733333333333334
1727 🆓 Largest Submatrix With Rearrangements 519 16 32.4375
1728 🆓 Cat and Mouse II 120 20 6
1729 💰 Find Followers Count 34 7 4.857142857142857
1730 💰 Shortest Path to Get Food 195 8 24.375
1731 💰 The Number of Employees Which Report to Each Employee 47 10 4.7
1732 🆓 Find the Highest Altitude 527 56 9.410714285714286
1733 🆓 Minimum Number of People to Teach 112 272 0.4117647058823529
1734 🆓 Decode XORed Permutation 392 15 26.133333333333333
1735 🆓 Count Ways to Make Array With Product 123 24 5.125
1736 🆓 Latest Time by Replacing Hidden Digits 166 90 1.8444444444444446
1737 🆓 Change Minimum Characters to Satisfy One of Three Conditions 184 220 0.8363636363636363
1738 🆓 Find Kth Largest XOR Coordinate Value 219 38 5.7631578947368425
1739 🆓 Building Boxes 179 30 5.966666666666667
1740 💰 Find Distance in a Binary Tree 144 9 16
1741 💰 Find Total Time Spent by Each Employee 60 3 20
1742 🆓 Maximum Number of Balls in a Box 282 71 3.971830985915493
1743 🆓 Restore the Array From Adjacent Pairs 450 6 75
1744 🆓 Can You Eat Your Favorite Candy on Your Favorite Day? 72 238 0.3025210084033613
1745 🆓 Palindrome Partitioning IV 365 10 36.5
1746 💰 Maximum Subarray Sum After One Operation 127 2 63.5
1747 💰 Leetflex Banned Accounts 52 1 52
1748 🆓 Sum of Unique Elements 499 15 33.266666666666666
1749 🆓 Maximum Absolute Sum of Any Subarray 496 8 62
1750 🆓 Minimum Length of String After Deleting Similar Ends 199 14 14.214285714285714
1751 🆓 Maximum Number of Events That Can Be Attended II 329 5 65.8
1752 🆓 Check if Array Is Sorted and Rotated 305 41 7.439024390243903
1753 🆓 Maximum Score From Removing Stones 340 27 12.592592592592593
1754 🆓 Largest Merge Of Two Strings 267 43 6.209302325581396
1755 🆓 Closest Subsequence Sum 339 49 6.918367346938775
1756 💰 Design Most Recently Used Queue 95 7 13.571428571428571
1757 💰 Recyclable and Low Fat Products 74 41 1.8048780487804879
1758 🆓 Minimum Changes To Make Alternating Binary String 326 9 36.22222222222222
1759 🆓 Count Number of Homogenous Substrings 262 25 10.48
1760 🆓 Minimum Limit of Balls in a Bag 665 27 24.62962962962963
1761 🆓 Minimum Degree of a Connected Trio in a Graph 116 147 0.7891156462585034
1762 💰 Buildings With an Ocean View 322 57 5.649122807017544
1763 🆓 Longest Nice Substring 331 281 1.1779359430604983
1764 🆓 Form Array by Concatenating Subarrays of Another Array 155 19 8.157894736842104
1765 🆓 Map of Highest Peak 384 27 14.222222222222221
1766 🆓 Tree of Coprimes 189 15 12.6
1767 💰 Find the Subtasks That Did Not Execute 53 4 13.25
1768 🆓 Merge Strings Alternately 333 5 66.6
1769 🆓 Minimum Number of Operations to Move All Balls to Each Box 900 34 26.470588235294116
1770 🆓 Maximum Score from Performing Multiplication Operations 412 93 4.43010752688172
1771 🆓 Maximize Palindrome Length From Subsequences 281 6 46.833333333333336
1772 💰 Sort Features by Popularity 32 27 1.1851851851851851
1773 🆓 Count Items Matching a Rule 511 75 6.8133333333333335
1774 🆓 Closest Dessert Cost 303 34 8.911764705882353
1775 🆓 Equal Sum Arrays With Minimum Number of Operations 366 10 36.6
1776 🆓 Car Fleet II 430 12 35.833333333333336
1777 💰 Product's Price for Each Store 61 6 10.166666666666666
1778 💰 Shortest Path in a Hidden Grid 89 39 2.282051282051282
1779 🆓 Find Nearest Point That Has the Same X or Y Coordinate 170 30 5.666666666666667
1780 🆓 Check if Number is a Sum of Powers of Three 394 15 26.266666666666666
1781 🆓 Sum of Beauty of All Substrings 229 74 3.0945945945945947
1782 🆓 Count Pairs Of Nodes 171 117 1.4615384615384615
1783 💰 Grand Slam Titles 76 0 Infinity
1784 🆓 Check if Binary String Has at Most One Segment of Ones 125 376 0.3324468085106383
1785 🆓 Minimum Elements to Add to Form a Given Sum 117 123 0.9512195121951219
1786 🆓 Number of Restricted Paths From First to Last Node 428 78 5.487179487179487
1787 🆓 Make the XOR of All Segments Equal to Zero 217 8 27.125
1788 💰 Maximize the Beauty of the Garden 33 4 8.25
1789 💰 Primary Department for Each Employee 42 16 2.625
1790 🆓 Check if One String Swap Can Make Strings Equal 260 10 26
1791 🆓 Find Center of Star Graph 248 41 6.048780487804878
1792 🆓 Maximum Average Pass Ratio 388 50 7.76
1793 🆓 Maximum Score of a Good Subarray 415 19 21.842105263157894
1794 💰 Count Pairs of Equal Substrings With Minimum Difference 23 28 0.8214285714285714
1795 💰 Rearrange Products Table 56 3 18.666666666666668
1796 🆓 Second Largest Digit in a String 162 57 2.8421052631578947
1797 🆓 Design Authentication Manager 116 23 5.043478260869565
1798 🆓 Maximum Number of Consecutive Values You Can Make 372 29 12.827586206896552
1799 🆓 Maximize Score After N Operations 287 23 12.478260869565217
1800 🆓 Maximum Ascending Subarray Sum 290 11 26.363636363636363
1801 🆓 Number of Orders in the Backlog 120 150 0.8
1802 🆓 Maximum Value at a Given Index in a Bounded Array 370 57 6.491228070175438
1803 🆓 Count Pairs With XOR in a Range 219 8 27.375
1804 💰 Implement Trie II (Prefix Tree) 93 6 15.5
1805 🆓 Number of Different Integers in a String 241 44 5.4772727272727275
1806 🆓 Minimum Number of Operations to Reinitialize a Permutation 158 92 1.7173913043478262
1807 🆓 Evaluate the Bracket Pairs of a String 217 22 9.863636363636363
1808 🆓 Maximize Number of Nice Divisors 121 126 0.9603174603174603
1809 💰 Ad-Free Sessions 35 17 2.0588235294117645
1810 💰 Minimum Path Cost in a Hidden Grid 40 14 2.857142857142857
1811 💰 Find Interview Candidates 66 9 7.333333333333333
1812 🆓 Determine Color of a Chessboard Square 276 12 23
1813 🆓 Sentence Similarity III 165 35 4.714285714285714
1814 🆓 Count Nice Pairs in an Array 307 16 19.1875
1815 🆓 Maximum Number of Groups Getting Fresh Donuts 187 9 20.77777777777778
1816 🆓 Truncate Sentence 323 9 35.888888888888886
1817 🆓 Finding the Users Active Minutes 246 92 2.6739130434782608
1818 🆓 Minimum Absolute Sum Difference 328 38 8.631578947368421
1819 🆓 Number of Different Subsequences GCDs 207 33 6.2727272727272725
1820 💰 Maximum Number of Accepted Invitations 48 12 4
1821 💰 Find Customers With Positive Revenue this Year 15 11 1.3636363636363635
1822 🆓 Sign of the Product of an Array 290 43 6.744186046511628
1823 🆓 Find the Winner of the Circular Game 542 16 33.875
1824 🆓 Minimum Sideway Jumps 446 20 22.3
1825 🆓 Finding MK Average 162 77 2.103896103896104
1826 💰 Faulty Sensor 33 26 1.2692307692307692
1827 🆓 Minimum Operations to Make the Array Increasing 368 21 17.523809523809526
1828 🆓 Queries on Number of Points Inside a Circle 298 35 8.514285714285714
1829 🆓 Maximum XOR for Each Query 250 18 13.88888888888889
1830 🆓 Minimum Number of Operations to Make String Sorted 104 79 1.3164556962025316
1831 💰 Maximum Transaction Each Day 27 0 Infinity
1832 🆓 Check if the Sentence Is Pangram 440 10 44
1833 🆓 Maximum Ice Cream Bars 233 107 2.177570093457944
1834 🆓 Single-Threaded CPU 539 78 6.910256410256411
1835 🆓 Find XOR Sum of All Pairs Bitwise AND 237 26 9.115384615384615
1836 💰 Remove Duplicates From an Unsorted Linked List 107 4 26.75
1837 🆓 Sum of Digits in Base K 202 19 10.631578947368421
1838 🆓 Frequency of the Most Frequent Element 727 12 60.583333333333336
1839 🆓 Longest Substring Of All Vowels in Order 285 10 28.5
1840 🆓 Maximum Building Height 209 8 26.125
1841 💰 League Statistics 30 14 2.142857142857143
1842 💰 Next Palindrome Using Same Digits 29 2 14.5
1843 💰 Suspicious Bank Accounts 30 14 2.142857142857143
1844 🆓 Replace All Digits with Characters 262 33 7.9393939393939394
1845 🆓 Seat Reservation Manager 199 15 13.266666666666667
1846 🆓 Maximum Element After Decreasing and Rearranging 134 33 4.0606060606060606
1847 🆓 Closest Room 258 12 21.5
1848 🆓 Minimum Distance to the Target Element 126 30 4.2
1849 🆓 Splitting a String Into Descending Consecutive Values 238 69 3.449275362318841
1850 🆓 Minimum Adjacent Swaps to Reach the Kth Smallest Number 289 40 7.225
1851 🆓 Minimum Interval to Include Each Query 284 3 94.66666666666667
1852 💰 Distinct Numbers in Each Subarray 48 2 24
1853 💰 Convert Date Format 23 21 1.0952380952380953
1854 🆓 Maximum Population Year 339 52 6.519230769230769
1855 🆓 Maximum Distance Between a Pair of Values 347 6 57.833333333333336
1856 🆓 Maximum Subarray Min-Product 577 30 19.233333333333334
1857 🆓 Largest Color Value in a Directed Graph 316 13 24.307692307692307
1858 💰 Longest Word With All Prefixes 54 3 18
1859 🆓 Sorting the Sentence 500 15 33.333333333333336
1860 🆓 Incremental Memory Leak 101 49 2.061224489795918
1861 🆓 Rotating the Box 364 18 20.22222222222222
1862 🆓 Sum of Floored Pairs 238 21 11.333333333333334
1863 🆓 Sum of All Subset XOR Totals 468 54 8.666666666666666
1864 🆓 Minimum Number of Swaps to Make the Binary String Alternating 222 21 10.571428571428571
1865 🆓 Finding Pairs With a Certain Sum 198 65 3.046153846153846
1866 🆓 Number of Ways to Rearrange Sticks With K Sticks Visible 368 9 40.888888888888886
1867 💰 Orders With Maximum Quantity Above Average 19 59 0.3220338983050847
1868 💰 Product of Two Run-Length Encoded Arrays 82 11 7.454545454545454
1869 🆓 Longer Contiguous Segments of Ones than Zeros 203 6 33.833333333333336
1870 🆓 Minimum Speed to Arrive on Time 331 67 4.940298507462686
1871 🆓 Jump Game VII 562 35 16.057142857142857
1872 🆓 Stone Game VIII 217 8 27.125
1873 💰 Calculate Special Bonus 35 1 35
1874 💰 Minimize Product Sum of Two Arrays 51 7 7.285714285714286
1875 💰 Group Employees of the Same Salary 26 2 13
1876 🆓 Substrings of Size Three with Distinct Characters 308 12 25.666666666666668
1877 🆓 Minimize Maximum Pair Sum in Array 355 85 4.176470588235294
1878 🆓 Get Biggest Three Rhombus Sums in a Grid 108 258 0.4186046511627907
1879 🆓 Minimum XOR Sum of Two Arrays 314 7 44.857142857142854
1880 🆓 Check if Word Equals Summation of Two Words 247 16 15.4375
1881 🆓 Maximum Value after Insertion 174 37 4.702702702702703
1882 🆓 Process Tasks Using Servers 400 124 3.225806451612903
1883 🆓 Minimum Skips to Arrive at Meeting On Time 160 35 4.571428571428571
1884 🆓 Egg Drop With 2 Eggs and N Floors 416 32 13
1885 💰 Count Pairs in Two Arrays 46 3 15.333333333333334
1886 🆓 Determine Whether Matrix Can Be Obtained By Rotation 306 33 9.272727272727273
1887 🆓 Reduction Operations to Make the Array Elements Equal 238 11 21.636363636363637
1888 🆓 Minimum Number of Flips to Make the Binary String Alternating 481 16 30.0625
1889 🆓 Minimum Space Wasted From Packaging 194 24 8.083333333333334
1890 💰 The Latest Login in 2020 23 0 Infinity
1891 💰 Cutting Ribbons 110 5 22
1892 💰 Page Recommendations II 31 5 6.2
1893 🆓 Check if All the Integers in a Range Are Covered 169 36 4.694444444444445
1894 🆓 Find the Student that Will Replace the Chalk 161 30 5.366666666666666
1895 🆓 Largest Magic Square 156 176 0.8863636363636364
1896 🆓 Minimum Cost to Change the Final Value of Expression 114 33 3.4545454545454546
1897 🆓 Redistribute Characters to Make All Strings Equal 193 25 7.72
1898 🆓 Maximum Number of Removable Characters 436 58 7.517241379310345
1899 🆓 Merge Triplets to Form Target Triplet 213 18 11.833333333333334
1900 🆓 The Earliest and Latest Rounds Where Players Compete 140 11 12.727272727272727
1901 🆓 Find a Peak Element II 326 24 13.583333333333334
1902 💰 Depth of BST Given Insertion Order 44 4 11
1903 🆓 Largest Odd Number in String 239 20 11.95
1904 🆓 The Number of Full Rounds You Have Played 130 188 0.6914893617021277
1905 🆓 Count Sub Islands 461 19 24.263157894736842
1906 🆓 Minimum Absolute Difference Queries 306 22 13.909090909090908
1907 💰 Count Salary Categories 20 9 2.2222222222222223
1908 💰 Game of Nim 9 12 0.75
1909 🆓 Remove One Element to Make the Array Strictly Increasing 275 149 1.8456375838926173
1910 🆓 Remove All Occurrences of a Substring 301 23 13.08695652173913
1911 🆓 Maximum Alternating Subsequence Sum 438 5 87.6
1912 🆓 Design Movie Rental System 120 25 4.8
1913 🆓 Maximum Product Difference Between Two Pairs 232 9 25.77777777777778
1914 🆓 Cyclically Rotating a Grid 134 204 0.6568627450980392
1915 🆓 Number of Wonderful Substrings 470 33 14.242424242424242
1916 🆓 Count Ways to Build Rooms in an Ant Colony 191 26 7.346153846153846
1917 💰 Leetcodify Friends Recommendations 16 12 1.3333333333333333
1918 💰 Kth Smallest Subarray Sum 68 4 17
1919 💰 Leetcodify Similar Friends 16 3 5.333333333333333
1920 🆓 Build Array from Permutation 524 68 7.705882352941177
1921 🆓 Eliminate Maximum Number of Monsters 248 45 5.511111111111111
1922 🆓 Count Good Numbers 207 179 1.1564245810055866
1923 🆓 Longest Common Subpath 196 20 9.8
1924 💰 Erect the Fence II 8 21 0.38095238095238093
1925 🆓 Count Square Sum Triples 104 14 7.428571428571429
1926 🆓 Nearest Exit from Entrance in Maze 272 13 20.923076923076923
1927 🆓 Sum Game 242 34 7.117647058823529
1928 🆓 Minimum Cost to Reach Destination in Time 310 4 77.5
1929 🆓 Concatenation of Array 394 112 3.517857142857143
1930 🆓 Unique Length-3 Palindromic Subsequences 342 11 31.09090909090909
1931 🆓 Painting a Grid With Three Different Colors 236 9 26.22222222222222
1932 🆓 Merge BSTs to Create Single BST 145 16 9.0625
1933 💰 Check if String Is Decomposable Into Value-Equal Substrings 22 3 7.333333333333333
1934 💰 Confirmation Rate 12 6 2
1935 🆓 Maximum Number of Words You Can Type 169 8 21.125
1936 🆓 Add Minimum Number of Rungs 164 12 13.666666666666666
1937 🆓 Maximum Number of Points with Cost 712 29 24.551724137931036
1938 🆓 Maximum Genetic Difference Query 174 9 19.333333333333332
1939 💰 Users That Actively Request Confirmation Messages 16 7 2.2857142857142856
1940 💰 Longest Common Subsequence Between Sorted Arrays 50 1 50
1941 🆓 Check if All Characters Have Equal Number of Occurrences 171 4 42.75
1942 🆓 The Number of the Smallest Unoccupied Chair 296 15 19.733333333333334
1943 🆓 Describe the Painting 217 12 18.083333333333332
1944 🆓 Number of Visible People in a Queue 385 9 42.77777777777778
1945 🆓 Sum of Digits of String After Convert 141 20 7.05
1946 🆓 Largest Number After Mutating Substring 113 138 0.8188405797101449
1947 🆓 Maximum Compatibility Score Sum 319 8 39.875
1948 🆓 Delete Duplicate Folders in System 121 36 3.361111111111111
1949 💰 Strong Friendship 35 9 3.888888888888889
1950 💰 Maximum of Minimum Values in All Subarrays 46 8 5.75
1951 💰 All the Pairs With the Maximum Number of Common Followers 13 0 Infinity
1952 🆓 Three Divisors 138 9 15.333333333333334
1953 🆓 Maximum Number of Weeks for Which You Can Work 261 82 3.182926829268293
1954 🆓 Minimum Garden Perimeter to Collect Enough Apples 153 52 2.9423076923076925
1955 🆓 Count Number of Special Subsequences 284 6 47.333333333333336
1956 💰 Minimum Time For K Virus Variants to Spread 9 3 3
1957 🆓 Delete Characters to Make Fancy String 129 7 18.428571428571427
1958 🆓 Check if Move is Legal 67 150 0.44666666666666666
1959 🆓 Minimum Total Space Wasted With K Resizing Operations 293 20 14.65
1960 🆓 Maximum Product of the Length of Two Palindromic Substrings 92 22 4.181818181818182
1961 🆓 Check If String Is a Prefix of Array 129 20 6.45
1962 🆓 Remove Stones to Minimize the Total 193 8 24.125
1963 🆓 Minimum Number of Swaps to Make the String Balanced 352 18 19.555555555555557
1964 🆓 Find the Longest Valid Obstacle Course at Each Position 275 5 55
1965 💰 Employees With Missing Information 16 0 Infinity
1966 💰 Binary Searchable Numbers in an Unsorted Array 20 5 4
1967 🆓 Number of Strings That Appear as Substrings in Word 126 6 21
1968 🆓 Array With Elements Not Equal to Average of Neighbors 174 15 11.6
1969 🆓 Minimum Non-Zero Product of the Array Elements 84 233 0.3605150214592275
1970 🆓 Last Day Where You Can Still Cross 330 6 55
1971 🆓 Find if Path Exists in Graph 289 12 24.083333333333332
1972 💰 First and Last Call On the Same Day 16 1 16
1973 💰 Count Nodes Equal to Sum of Descendants 30 1 30
1974 🆓 Minimum Time to Type Word Using Special Typewriter 180 8 22.5
1975 🆓 Maximum Matrix Sum 188 7 26.857142857142858
1976 🆓 Number of Ways to Arrive at Destination 416 14 29.714285714285715
1977 🆓 Number of Ways to Separate Numbers 128 20 6.4
1978 💰 Employees Whose Manager Left the Company 10 1 10
1979 🆓 Find Greatest Common Divisor of Array 156 11 14.181818181818182
1980 🆓 Find Unique Binary String 252 13 19.384615384615383
1981 🆓 Minimize the Difference Between Target and Chosen Elements 310 70 4.428571428571429
1982 🆓 Find Array Given Subset Sums 119 15 7.933333333333334
1983 💰 Widest Pair of Indices With Equal Range Sum 24 0 Infinity
1984 🆓 Minimum Difference Between Highest and Lowest of K Scores 145 18 8.055555555555555
1985 🆓 Find the Kth Largest Integer in the Array 190 32 5.9375
1986 🆓 Minimum Number of Work Sessions to Finish the Tasks 345 18 19.166666666666668
1987 🆓 Number of Unique Good Subsequences 240 3 80
1988 💰 Find Cutoff Score for Each School 7 11 0.6363636363636364
1989 💰 Maximum Number of People That Can Be Caught in Tag 21 4 5.25
1990 💰 Count the Number of Experiments 2 22 0.09090909090909091
1991 🆓 Find the Middle Index in Array 155 6 25.833333333333332
1992 🆓 Find All Groups of Farmland 174 10 17.4
1993 🆓 Operations on Tree 132 33 4
1994 🆓 The Number of Good Subsets 139 1 139
1995 🆓 Count Special Quadruplets 112 82 1.3658536585365855
1996 🆓 The Number of Weak Characters in the Game 385 15 25.666666666666668
1997 🆓 First Day Where You Have Been in All the Rooms 249 36 6.916666666666667
1998 🆓 GCD Sort of an Array 178 4 44.5
1999 💰 Smallest Greater Multiple Made of Two Digits 8 0 Infinity
2000 🆓 Reverse Prefix of Word 140 1 140
2001 🆓 Number of Pairs of Interchangeable Rectangles 151 15 10.066666666666666
2002 🆓 Maximum Product of the Length of Two Palindromic Subsequences 254 19 13.368421052631579
2003 🆓 Smallest Missing Genetic Value in Each Subtree 191 9 21.22222222222222
2004 💰 The Number of Seniors and Juniors to Join the Company 13 1 13
2005 💰 Subtree Removal Game with Fibonacci Tree 4 12 0.3333333333333333
2006 🆓 Count Number of Pairs With Absolute Difference K 156 1 156
2007 🆓 Find Original Array From Doubled Array 201 21 9.571428571428571
2008 🆓 Maximum Earnings From Taxi 279 7 39.857142857142854
2009 🆓 Minimum Number of Operations to Make Array Continuous 193 3 64.33333333333333
2010 💰 The Number of Seniors and Juniors to Join the Company II 1 1 1
2011 🆓 Final Value of Variable After Performing Operations 129 42 3.0714285714285716
2012 🆓 Sum of Beauty in the Array 183 17 10.764705882352942
2013 🆓 Detect Squares 122 59 2.0677966101694913
2014 🆓 Longest Subsequence Repeated k Times 115 45 2.5555555555555554
2015 💰 Average Height of Buildings in Each Segment 15 9 1.6666666666666667
2016 🆓 Maximum Difference Between Increasing Elements 121 3 40.333333333333336
2017 🆓 Grid Game 306 7 43.714285714285715
2018 🆓 Check if Word Can Be Placed In Crossword 90 104 0.8653846153846154
2019 🆓 The Score of Students Solving Math Expression 83 44 1.8863636363636365
2020 💰 Number of Accounts That Did Not Stream 2 10 0.2
2021 💰 Brightest Position on Street 27 0 Infinity
2022 🆓 Convert 1D Array Into 2D Array 73 6 12.166666666666666
2023 🆓 Number of Pairs of Strings With Concatenation Equal to Target 102 9 11.333333333333334
2024 🆓 Maximize the Confusion of an Exam 190 3 63.333333333333336
2025 🆓 Maximum Number of Ways to Partition an Array 163 8 20.375
2026 💰 Low-Quality Problems 4 0 Infinity
2027 🆓 Minimum Moves to Convert String 85 32 2.65625
2028 🆓 Find Missing Observations 142 5 28.4
2029 🆓 Stone Game IX 86 145 0.593103448275862
2030 🆓 Smallest K-Length Subsequence With Occurrences of a Letter 120 2 60
2031 💰 Count Subarrays With More Ones Than Zeros 17 2 8.5
2032 🆓 Two Out of Three 66 17 3.8823529411764706
2033 🆓 Minimum Operations to Make a Uni-Value Grid 155 14 11.071428571428571
2034 🆓 Stock Price Fluctuation 131 15 8.733333333333333
2035 🆓 Partition Array Into Two Arrays to Minimize Sum Difference 147 7 21
2036 💰 Maximum Alternating Subarray Sum 1 0 Infinity