ID | Title | Acceptance | Difficulty | Frequency |
---|
388 | Longest Absolute File Path | 41.8% | Medium | 5.913085 |
683 | K Empty Slots | 35.6% | Hard | 5.780765 |
681 | Next Closest Time | 45.0% | Medium | 5.648444 |
1 | Two Sum | 45.6% | Easy | 5.644982 |
929 | Unique Email Addresses | 67.4% | Easy | 5.641251 |
904 | Fruit Into Baskets | 42.5% | Medium | 5.622005 |
482 | License Key Formatting | 43.1% | Easy | 5.489684 |
308 | Range Sum Query 2D – Mutable | 35.6% | Hard | 5.479895 |
1007 | Minimum Domino Rotations For Equal Row | 50.0% | Medium | 5.347574 |
843 | Guess the Word | 46.1% | Hard | 5.215253 |
288 | Unique Word Abbreviation | 21.9% | Medium | 5.082933 |
489 | Robot Room Cleaner | 69.7% | Hard | 4.950612 |
399 | Evaluate Division | 51.6% | Medium | 4.933127 |
975 | Odd Even Jump | 42.2% | Hard | 4.893302 |
686 | Repeated String Match | 32.3% | Easy | 4.836325 |
418 | Sentence Screen Fitting | 32.6% | Medium | 4.781933 |
753 | Cracking the Safe | 50.5% | Hard | 4.699786 |
271 | Encode and Decode Strings | 31.5% | Medium | 4.677975 |
361 | Bomb Enemy | 46.0% | Medium | 4.673664 |
298 | Binary Tree Longest Consecutive Sequence | 47.1% | Medium | 4.601753 |
281 | Zigzag Iterator | 58.4% | Medium | 4.497936 |
1057 | Campus Bikes | 57.7% | Medium | 4.447943 |
393 | UTF-8 Validation | 37.5% | Medium | 4.444092 |
163 | Missing Ranges | 24.3% | Medium | 4.311771 |
159 | Longest Substring with At Most Two Distinct Characters | 49.4% | Medium | 4.262457 |
844 | Backspace String Compare | 46.4% | Easy | 4.130136 |
642 | Design Search Autocomplete System | 44.7% | Hard | 4.121348 |
340 | Longest Substring with At Most K Distinct Characters | 44.1% | Hard | 4.118703 |
222 | Count Complete Tree Nodes | 46.8% | Medium | 4.104839 |
568 | Maximum Vacation Days | 40.8% | Hard | 4.053081 |
947 | Most Stones Removed with Same Row or Column | 55.2% | Medium | 4.023022 |
410 | Split Array Largest Sum | 44.5% | Hard | 4.009588 |
857 | Minimum Cost to Hire K Workers | 49.6% | Hard | 3.971845 |
939 | Minimum Area Rectangle | 51.8% | Medium | 3.936375 |
42 | Trapping Rain Water | 48.9% | Hard | 3.921059 |
218 | The Skyline Problem | 34.6% | Hard | 3.886010 |
248 | Strobogrammatic Number III | 39.6% | Hard | 3.863710 |
56 | Merge Intervals | 39.3% | Medium | 3.850317 |
394 | Decode String | 50.0% | Medium | 3.826544 |
200 | Number of Islands | 46.8% | Medium | 3.801814 |
296 | Best Meeting Point | 57.5% | Hard | 3.780744 |
346 | Moving Average from Data Stream | 70.9% | Easy | 3.759561 |
774 | Minimize Max Distance to Gas Station | 46.9% | Hard | 3.708055 |
351 | Android Unlock Patterns | 48.4% | Medium | 3.700749 |
66 | Plus One | 43.0% | Easy | 3.693305 |
146 | LRU Cache | 33.2% | Medium | 3.689556 |
734 | Sentence Similarity | 42.1% | Easy | 3.677903 |
359 | Logger Rate Limiter | 70.8% | Easy | 3.674548 |
425 | Word Squares | 47.7% | Hard | 3.649664 |
809 | Expressive Words | 47.0% | Medium | 3.640135 |
471 | Encode String with Shortest Length | 47.1% | Hard | 3.626532 |
679 | 24 Game | 46.4% | Hard | 3.563700 |
737 | Sentence Similarity II | 45.8% | Medium | 3.556563 |
228 | Summary Ranges | 39.5% | Medium | 3.551951 |
299 | Bulls and Cows | 42.4% | Easy | 3.551601 |
149 | Max Points on a Line | 16.9% | Hard | 3.541414 |
305 | Number of Islands II | 40.1% | Hard | 3.519140 |
2 | Add Two Numbers | 33.9% | Medium | 3.516113 |
1096 | Brace Expansion II | 62.2% | Hard | 3.504555 |
253 | Meeting Rooms II | 45.7% | Medium | 3.502438 |
1055 | Shortest Way to Form String | 56.9% | Medium | 3.494570 |
158 | Read N Characters Given Read4 II – Call multiple times | 33.8% | Hard | 3.484084 |
465 | Optimal Account Balancing | 46.9% | Hard | 3.462697 |
4 | Median of Two Sorted Arrays | 29.6% | Hard | 3.453368 |
68 | Text Justification | 27.7% | Hard | 3.450799 |
803 | Bricks Falling When Hit | 30.8% | Hard | 3.426856 |
1110 | Delete Nodes And Return Forest | 67.0% | Medium | 3.418885 |
289 | Game of Life | 54.5% | Medium | 3.413628 |
317 | Shortest Distance from All Buildings | 41.4% | Hard | 3.409672 |
1153 | String Transforms Into Another String | 35.8% | Hard | 3.390891 |
833 | Find And Replace in String | 50.4% | Medium | 3.385973 |
1088 | Confusing Number II | 44.0% | Hard | 3.349904 |
750 | Number Of Corner Rectangles | 66.4% | Medium | 3.246154 |
247 | Strobogrammatic Number II | 47.6% | Medium | 3.245129 |
315 | Count of Smaller Numbers After Self | 41.5% | Hard | 3.230831 |
246 | Strobogrammatic Number | 45.0% | Easy | 3.223628 |
1231 | Divide Chocolate | 52.4% | Hard | 3.208270 |
304 | Range Sum Query 2D – Immutable | 38.6% | Medium | 3.177250 |
818 | Race Car | 39.0% | Hard | 3.164823 |
562 | Longest Line of Consecutive One in Matrix | 45.9% | Medium | 3.145109 |
777 | Swap Adjacent in LR String | 34.8% | Medium | 3.107379 |
1168 | Optimize Water Distribution in a Village | 60.9% | Hard | 3.102342 |
360 | Sort Transformed Array | 48.8% | Medium | 3.083137 |
10 | Regular Expression Matching | 26.8% | Hard | 3.074714 |
280 | Wiggle Sort | 63.8% | Medium | 3.073302 |
524 | Longest Word in Dictionary through Deleting | 48.4% | Medium | 3.072239 |
417 | Pacific Atlantic Water Flow | 41.1% | Medium | 3.039812 |
23 | Merge k Sorted Lists | 40.2% | Hard | 3.039386 |
1087 | Brace Expansion | 62.7% | Medium | 3.024925 |
329 | Longest Increasing Path in a Matrix | 43.4% | Hard | 3.019478 |
284 | Peeking Iterator | 45.7% | Medium | 2.993993 |
205 | Isomorphic Strings | 39.8% | Easy | 2.974388 |
57 | Insert Interval | 33.5% | Hard | 2.974022 |
85 | Maximal Rectangle | 37.7% | Hard | 2.964026 |
259 | 3Sum Smaller | 47.6% | Medium | 2.961393 |
736 | Parse Lisp Expression | 47.5% | Hard | 2.959364 |
727 | Minimum Window Subsequence | 41.8% | Hard | 2.954526 |
544 | Output Contest Matches | 75.3% | Medium | 2.926123 |
527 | Word Abbreviation | 54.3% | Hard | 2.926123 |
279 | Perfect Squares | 47.4% | Medium | 2.918896 |
274 | H-Index | 36.1% | Medium | 2.908129 |
3 | Longest Substring Without Repeating Characters | 30.4% | Medium | 2.899453 |
731 | My Calendar II | 49.1% | Medium | 2.894068 |
766 | Toeplitz Matrix | 65.1% | Easy | 2.880131 |
294 | Flip Game II | 50.0% | Medium | 2.879576 |
157 | Read N Characters Given Read4 | 34.2% | Easy | 2.862051 |
1146 | Snapshot Array | 37.0% | Medium | 2.853997 |
345 | Reverse Vowels of a String | 44.2% | Easy | 2.846997 |
295 | Find Median from Data Stream | 44.3% | Hard | 2.830017 |
846 | Hand of Straights | 54.2% | Medium | 2.816644 |
913 | Cat and Mouse | 31.3% | Hard | 2.812298 |
552 | Student Attendance Record II | 36.7% | Hard | 2.769051 |
1066 | Campus Bikes II | 54.2% | Medium | 2.765835 |
76 | Minimum Window Substring | 34.6% | Hard | 2.753906 |
363 | Max Sum of Rectangle No Larger Than K | 37.3% | Hard | 2.709331 |
849 | Maximize Distance to Closest Person | 42.6% | Easy | 2.709149 |
54 | Spiral Matrix | 34.1% | Medium | 2.708006 |
15 | 3Sum | 26.8% | Medium | 2.702273 |
221 | Maximal Square | 37.7% | Medium | 2.681130 |
17 | Letter Combinations of a Phone Number | 46.8% | Medium | 2.680256 |
616 | Add Bold Tag in String | 43.1% | Medium | 2.666144 |
297 | Serialize and Deserialize Binary Tree | 47.5% | Hard | 2.648448 |
362 | Design Hit Counter | 63.7% | Medium | 2.598395 |
981 | Time Based Key-Value Store | 53.1% | Medium | 2.597570 |
276 | Paint Fence | 38.3% | Easy | 2.595102 |
837 | New 21 Game | 34.6% | Medium | 2.584236 |
224 | Basic Calculator | 36.8% | Hard | 2.580473 |
911 | Online Election | 50.4% | Medium | 2.578517 |
558 | Logical OR of Two Binary Grids Represented as Quad-Trees | 44.6% | Medium | 2.571814 |
687 | Longest Univalue Path | 36.2% | Easy | 2.567963 |
490 | The Maze | 51.4% | Medium | 2.559373 |
659 | Split Array into Consecutive Subsequences | 43.7% | Medium | 2.526838 |
380 | Insert Delete GetRandom O(1) | 47.5% | Medium | 2.518408 |
715 | Range Module | 38.5% | Hard | 2.515902 |
528 | Random Pick with Weight | 43.9% | Medium | 2.509596 |
166 | Fraction to Recurring Decimal | 21.6% | Medium | 2.504850 |
139 | Word Break | 40.1% | Medium | 2.498864 |
403 | Frog Jump | 39.7% | Hard | 2.488020 |
135 | Candy | 31.6% | Hard | 2.477071 |
406 | Queue Reconstruction by Height | 66.9% | Medium | 2.463643 |
20 | Valid Parentheses | 39.0% | Easy | 2.455313 |
505 | The Maze II | 47.7% | Medium | 2.455044 |
226 | Invert Binary Tree | 65.0% | Easy | 2.438123 |
723 | Candy Crush | 69.2% | Medium | 2.413829 |
900 | RLE Iterator | 53.5% | Medium | 2.412451 |
375 | Guess Number Higher or Lower II | 40.3% | Medium | 2.412208 |
457 | Circular Array Loop | 29.4% | Medium | 2.408723 |
269 | Alien Dictionary | 33.3% | Hard | 2.401963 |
722 | Remove Comments | 34.6% | Medium | 2.391299 |
850 | Rectangle Area II | 47.5% | Hard | 2.389853 |
128 | Longest Consecutive Sequence | 45.1% | Hard | 2.388969 |
31 | Next Permutation | 32.6% | Medium | 2.384562 |
1170 | Compare Strings by Frequency of the Smallest Character | 58.7% | Easy | 2.380621 |
5 | Longest Palindromic Substring | 29.5% | Medium | 2.378625 |
318 | Maximum Product of Word Lengths | 51.2% | Medium | 2.377626 |
353 | Design Snake Game | 34.2% | Medium | 2.374942 |
391 | Perfect Rectangle | 30.5% | Hard | 2.360954 |
249 | Group Shifted Strings | 55.1% | Medium | 2.358977 |
729 | My Calendar I | 51.8% | Medium | 2.351286 |
341 | Flatten Nested List Iterator | 52.9% | Medium | 2.334951 |
951 | Flip Equivalent Binary Trees | 65.8% | Medium | 2.326169 |
72 | Edit Distance | 44.8% | Hard | 2.308682 |
320 | Generalized Abbreviation | 52.1% | Medium | 2.287272 |
332 | Reconstruct Itinerary | 36.7% | Medium | 2.267632 |
835 | Image Overlap | 58.5% | Medium | 2.264098 |
401 | Binary Watch | 47.5% | Easy | 2.246794 |
354 | Russian Doll Envelopes | 35.6% | Hard | 2.236076 |
124 | Binary Tree Maximum Path Sum | 34.3% | Hard | 2.221609 |
444 | Sequence Reconstruction | 22.2% | Medium | 2.217786 |
239 | Sliding Window Maximum | 43.0% | Hard | 2.210528 |
943 | Find the Shortest Superstring | 42.9% | Hard | 2.183127 |
400 | Nth Digit | 31.7% | Medium | 2.168367 |
285 | Inorder Successor in BST | 40.4% | Medium | 2.166776 |
43 | Multiply Strings | 33.9% | Medium | 2.166333 |
208 | Implement Trie (Prefix Tree) | 49.4% | Medium | 2.162478 |
745 | Prefix and Suffix Search | 34.1% | Hard | 2.161230 |
963 | Minimum Area Rectangle II | 50.9% | Medium | 2.157219 |
788 | Rotated Digits | 57.1% | Easy | 2.128352 |
484 | Find Permutation | 60.5% | Medium | 2.123018 |
369 | Plus One Linked List | 58.2% | Medium | 2.103037 |
162 | Find Peak Element | 43.3% | Medium | 2.097923 |
133 | Clone Graph | 34.8% | Medium | 2.093083 |
38 | Count and Say | 44.6% | Easy | 2.088659 |
34 | Find First and Last Position of Element in Sorted Array | 36.2% | Medium | 2.077190 |
447 | Number of Boomerangs | 51.8% | Easy | 2.070710 |
336 | Palindrome Pairs | 33.7% | Hard | 2.068730 |
127 | Word Ladder | 29.6% | Medium | 2.045126 |
91 | Decode Ways | 24.7% | Medium | 2.043561 |
215 | Kth Largest Element in an Array | 55.4% | Medium | 2.024566 |
946 | Validate Stack Sequences | 61.9% | Medium | 2.018915 |
293 | Flip Game | 60.7% | Easy | 2.004967 |
33 | Search in Rotated Sorted Array | 34.5% | Medium | 1.982840 |
459 | Repeated Substring Pattern | 42.2% | Easy | 1.981281 |
11 | Container With Most Water | 50.8% | Medium | 1.977087 |
1032 | Stream of Characters | 48.3% | Hard | 1.974462 |
334 | Increasing Triplet Subsequence | 40.0% | Medium | 1.967867 |
44 | Wildcard Matching | 24.7% | Hard | 1.957959 |
325 | Maximum Size Subarray Sum Equals k | 46.8% | Medium | 1.957338 |
497 | Random Point in Non-overlapping Rectangles | 37.8% | Medium | 1.957330 |
817 | Linked List Components | 57.3% | Medium | 1.951763 |
286 | Walls and Gates | 54.5% | Medium | 1.948761 |
1048 | Longest String Chain | 54.7% | Medium | 1.944093 |
138 | Copy List with Random Pointer | 36.4% | Medium | 1.941330 |
815 | Bus Routes | 42.5% | Hard | 1.938350 |
772 | Basic Calculator III | 41.3% | Hard | 1.931331 |
173 | Binary Search Tree Iterator | 56.6% | Medium | 1.911466 |
150 | Evaluate Reverse Polish Notation | 36.3% | Medium | 1.901204 |
743 | Network Delay Time | 45.0% | Medium | 1.895467 |
53 | Maximum Subarray | 46.5% | Easy | 1.893517 |
752 | Open the Lock | 51.8% | Medium | 1.887145 |
130 | Surrounded Regions | 28.1% | Medium | 1.881638 |
871 | Minimum Number of Refueling Stops | 31.4% | Hard | 1.872628 |
155 | Min Stack | 44.5% | Easy | 1.872232 |
685 | Redundant Connection II | 32.4% | Hard | 1.870982 |
529 | Minesweeper | 59.1% | Medium | 1.867966 |
800 | Similar RGB Color | 61.4% | Easy | 1.864784 |
1240 | Tiling a Rectangle with the Fewest Squares | 50.1% | Hard | 1.864330 |
407 | Trapping Rain Water II | 42.4% | Hard | 1.859058 |
168 | Excel Sheet Column Title | 31.1% | Easy | 1.849824 |
411 | Minimum Unique Word Abbreviation | 36.3% | Hard | 1.843584 |
161 | One Edit Distance | 32.3% | Medium | 1.843491 |
427 | Construct Quad Tree | 61.4% | Medium | 1.830397 |
41 | First Missing Positive | 32.0% | Hard | 1.828463 |
801 | Minimum Swaps To Make Sequences Increasing | 38.9% | Medium | 1.813962 |
428 | Serialize and Deserialize N-ary Tree | 59.4% | Hard | 1.812637 |
498 | Diagonal Traverse | 48.2% | Medium | 1.807360 |
307 | Range Sum Query – Mutable | 34.6% | Medium | 1.801548 |
37 | Sudoku Solver | 43.6% | Hard | 1.792525 |
324 | Wiggle Sort II | 29.9% | Medium | 1.786845 |
22 | Generate Parentheses | 62.7% | Medium | 1.775789 |
853 | Car Fleet | 42.3% | Medium | 1.774706 |
475 | Heaters | 33.1% | Easy | 1.766492 |
463 | Island Perimeter | 65.7% | Easy | 1.766239 |
486 | Predict the Winner | 47.9% | Medium | 1.762174 |
708 | Insert into a Sorted Circular Linked List | 31.6% | Medium | 1.751377 |
855 | Exam Room | 43.1% | Medium | 1.749771 |
591 | Tag Validator | 34.3% | Hard | 1.746908 |
1197 | Minimum Knight Moves | 36.1% | Medium | 1.742196 |
212 | Word Search II | 34.9% | Hard | 1.717993 |
684 | Redundant Connection | 57.4% | Medium | 1.702040 |
370 | Range Addition | 62.8% | Medium | 1.700217 |
250 | Count Univalue Subtrees | 52.0% | Medium | 1.698353 |
337 | House Robber III | 50.6% | Medium | 1.693179 |
241 | Different Ways to Add Parentheses | 55.2% | Medium | 1.679340 |
1145 | Binary Tree Coloring Game | 51.2% | Medium | 1.679180 |
769 | Max Chunks To Make Sorted | 54.8% | Medium | 1.664103 |
266 | Palindrome Permutation | 61.9% | Easy | 1.657520 |
392 | Is Subsequence | 49.2% | Easy | 1.652592 |
302 | Smallest Rectangle Enclosing Black Pixels | 51.6% | Hard | 1.645385 |
792 | Number of Matching Subsequences | 47.4% | Medium | 1.635622 |
710 | Random Pick with Blacklist | 32.5% | Hard | 1.635540 |
767 | Reorganize String | 48.7% | Medium | 1.629188 |
510 | Inorder Successor in BST II | 58.0% | Medium | 1.627672 |
845 | Longest Mountain in Array | 37.2% | Medium | 1.596720 |
358 | Rearrange String k Distance Apart | 34.9% | Hard | 1.595386 |
84 | Largest Rectangle in Histogram | 35.2% | Hard | 1.583056 |
48 | Rotate Image | 56.7% | Medium | 1.581726 |
171 | Excel Sheet Column Number | 55.9% | Easy | 1.579613 |
229 | Majority Element II | 35.6% | Medium | 1.562565 |
62 | Unique Paths | 54.1% | Medium | 1.560701 |
776 | Split BST | 55.8% | Medium | 1.554890 |
115 | Distinct Subsequences | 38.3% | Hard | 1.553497 |
1438 | Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit | 42.1% | Medium | 1.551572 |
499 | The Maze III | 41.0% | Hard | 1.544197 |
935 | Knight Dialer | 45.2% | Medium | 1.543686 |
55 | Jump Game | 34.6% | Medium | 1.541307 |
852 | Peak Index in a Mountain Array | 71.6% | Easy | 1.541125 |
49 | Group Anagrams | 56.9% | Medium | 1.539593 |
121 | Best Time to Buy and Sell Stock | 50.5% | Easy | 1.539407 |
1074 | Number of Submatrices That Sum to Target | 60.4% | Hard | 1.529579 |
894 | All Possible Full Binary Trees | 75.2% | Medium | 1.491890 |
1011 | Capacity To Ship Packages Within D Days | 58.1% | Medium | 1.474530 |
21 | Merge Two Sorted Lists | 53.5% | Easy | 1.469371 |
549 | Binary Tree Longest Consecutive Sequence II | 47.0% | Medium | 1.462785 |
126 | Word Ladder II | 22.1% | Hard | 1.460734 |
198 | House Robber | 42.0% | Easy | 1.453073 |
840 | Magic Squares In Grid | 37.3% | Easy | 1.448780 |
379 | Design Phone Directory | 46.8% | Medium | 1.441413 |
36 | Valid Sudoku | 48.7% | Medium | 1.438063 |
187 | Repeated DNA Sequences | 38.9% | Medium | 1.434475 |
1376 | Time Needed to Inform All Employees | 55.4% | Medium | 1.423063 |
460 | LFU Cache | 34.2% | Hard | 1.421819 |
206 | Reverse Linked List | 62.5% | Easy | 1.416080 |
635 | Design Log Storage System | 58.6% | Medium | 1.406528 |
676 | Implement Magic Dictionary | 54.5% | Medium | 1.401575 |
240 | Search a 2D Matrix II | 43.2% | Medium | 1.397412 |
277 | Find the Celebrity | 41.8% | Medium | 1.389867 |
236 | Lowest Common Ancestor of a Binary Tree | 45.7% | Medium | 1.374560 |
373 | Find K Pairs with Smallest Sums | 36.7% | Medium | 1.369690 |
469 | Convex Polygon | 37.0% | Medium | 1.361803 |
389 | Find the Difference | 55.3% | Easy | 1.359394 |
8 | String to Integer (atoi) | 15.4% | Medium | 1.354174 |
134 | Gas Station | 38.5% | Medium | 1.351564 |
1056 | Confusing Number | 48.6% | Easy | 1.335244 |
604 | Design Compressed String Iterator | 37.5% | Easy | 1.335001 |
65 | Valid Number | 15.3% | Hard | 1.334392 |
540 | Single Element in a Sorted Array | 57.9% | Medium | 1.333263 |
327 | Count of Range Sum | 35.2% | Hard | 1.315127 |
64 | Minimum Path Sum | 54.5% | Medium | 1.311169 |
1293 | Shortest Path in a Grid with Obstacles Elimination | 42.8% | Hard | 1.308574 |
63 | Unique Paths II | 34.6% | Medium | 1.302896 |
287 | Find the Duplicate Number | 55.5% | Medium | 1.300185 |
238 | Product of Array Except Self | 60.1% | Medium | 1.298064 |
582 | Kill Process | 60.8% | Medium | 1.290929 |
760 | Find Anagram Mappings | 81.1% | Easy | 1.289196 |
283 | Move Zeroes | 57.8% | Easy | 1.281098 |
300 | Longest Increasing Subsequence | 42.6% | Medium | 1.268288 |
282 | Expression Add Operators | 35.5% | Hard | 1.256011 |
1423 | Maximum Points You Can Obtain from Cards | 42.6% | Medium | 1.250787 |
688 | Knight Probability in Chessboard | 48.9% | Medium | 1.249979 |
251 | Flatten 2D Vector | 45.7% | Medium | 1.244149 |
543 | Diameter of Binary Tree | 48.4% | Easy | 1.241009 |
419 | Battleships in a Board | 70.0% | Medium | 1.235401 |
46 | Permutations | 63.5% | Medium | 1.233643 |
117 | Populating Next Right Pointers in Each Node II | 39.1% | Medium | 1.226231 |
169 | Majority Element | 58.7% | Easy | 1.220314 |
381 | Insert Delete GetRandom O(1) – Duplicates allowed | 34.1% | Hard | 1.218903 |
702 | Search in a Sorted Array of Unknown Size | 66.9% | Medium | 1.213288 |
69 | Sqrt(x) | 33.9% | Easy | 1.213264 |
773 | Sliding Puzzle | 59.3% | Hard | 1.212371 |
1547 | Minimum Cost to Cut a Stick | 47.2% | Hard | 1.209837 |
652 | Find Duplicate Subtrees | 50.2% | Medium | 1.202729 |
695 | Max Area of Island | 62.7% | Medium | 1.202023 |
137 | Single Number II | 52.4% | Medium | 1.193167 |
97 | Interleaving String | 31.5% | Hard | 1.187919 |
14 | Longest Common Prefix | 35.4% | Easy | 1.178123 |
316 | Remove Duplicate Letters | 35.8% | Hard | 1.173529 |
96 | Unique Binary Search Trees | 52.9% | Medium | 1.172709 |
322 | Coin Change | 35.5% | Medium | 1.172470 |
214 | Shortest Palindrome | 29.8% | Hard | 1.171269 |
188 | Best Time to Buy and Sell Stock IV | 28.0% | Hard | 1.163879 |
230 | Kth Smallest Element in a BST | 60.2% | Medium | 1.155444 |
807 | Max Increase to Keep City Skyline | 83.7% | Medium | 1.154661 |
98 | Validate Binary Search Tree | 27.8% | Medium | 1.147140 |
378 | Kth Smallest Element in a Sorted Matrix | 54.3% | Medium | 1.141935 |
356 | Line Reflection | 31.8% | Medium | 1.141089 |
889 | Construct Binary Tree from Preorder and Postorder Traversal | 66.2% | Medium | 1.138831 |
261 | Graph Valid Tree | 42.2% | Medium | 1.134845 |
365 | Water and Jug Problem | 30.6% | Medium | 1.133983 |
242 | Valid Anagram | 56.9% | Easy | 1.133786 |
535 | Encode and Decode TinyURL | 79.9% | Medium | 1.131644 |
920 | Number of Music Playlists | 46.5% | Hard | 1.126011 |
560 | Subarray Sum Equals K | 43.9% | Medium | 1.123530 |
32 | Longest Valid Parentheses | 28.4% | Hard | 1.118250 |
660 | Remove 9 | 53.3% | Hard | 1.113650 |
986 | Interval List Intersections | 67.3% | Medium | 1.110184 |
7 | Reverse Integer | 25.8% | Easy | 1.108160 |
50 | Pow(x;n) | 30.3% | Medium | 1.107062 |
310 | Minimum Height Trees | 32.3% | Medium | 1.100674 |
116 | Populating Next Right Pointers in Each Node | 45.2% | Medium | 1.100206 |
609 | Find Duplicate File in System | 59.5% | Medium | 1.083077 |
1284 | Minimum Number of Flips to Convert Binary Matrix to Zero Matrix | 69.5% | Hard | 1.076872 |
1320 | Minimum Distance to Type a Word Using Two Fingers | 62.3% | Hard | 1.072241 |
110 | Balanced Binary Tree | 43.5% | Easy | 1.071569 |
152 | Maximum Product Subarray | 31.7% | Medium | 1.071141 |
636 | Exclusive Time of Functions | 51.9% | Medium | 1.070608 |
1406 | Stone Game III | 56.1% | Hard | 1.066737 |
207 | Course Schedule | 43.1% | Medium | 1.062038 |
973 | K Closest Points to Origin | 63.8% | Medium | 1.056430 |
382 | Linked List Random Node | 52.1% | Medium | 1.051825 |
518 | Coin Change 2 | 50.2% | Medium | 1.035074 |
108 | Convert Sorted Array to Binary Search Tree | 57.9% | Easy | 1.031229 |
593 | Valid Square | 43.1% | Medium | 1.028014 |
132 | Palindrome Partitioning II | 30.2% | Hard | 1.025059 |
209 | Minimum Size Subarray Sum | 38.2% | Medium | 1.021194 |
890 | Find and Replace Pattern | 73.4% | Medium | 1.018488 |
932 | Beautiful Array | 58.3% | Medium | 1.016168 |
165 | Compare Version Numbers | 27.4% | Medium | 1.013371 |
551 | Student Attendance Record I | 46.0% | Easy | 1.013125 |
273 | Integer to English Words | 27.1% | Hard | 1.011683 |
156 | Binary Tree Upside Down | 55.0% | Medium | 1.002597 |
384 | Shuffle an Array | 52.8% | Medium | 0.991100 |
254 | Factor Combinations | 46.7% | Medium | 0.990701 |
480 | Sliding Window Median | 37.2% | Hard | 0.986175 |
140 | Word Break II | 32.6% | Hard | 0.965893 |
220 | Contains Duplicate III | 20.9% | Medium | 0.960150 |
202 | Happy Number | 50.4% | Easy | 0.959083 |
770 | Basic Calculator IV | 48.1% | Hard | 0.958254 |
422 | Valid Word Square | 37.7% | Easy | 0.956014 |
1292 | Maximum Side Length of a Square with Sum Less than or Equal to Threshold | 48.6% | Medium | 0.955511 |
836 | Rectangle Overlap | 48.6% | Easy | 0.943746 |
348 | Design Tic-Tac-Toe | 54.3% | Medium | 0.943371 |
12 | Integer to Roman | 55.1% | Medium | 0.940669 |
721 | Accounts Merge | 48.8% | Medium | 0.933866 |
105 | Construct Binary Tree from Preorder and Inorder Traversal | 48.8% | Medium | 0.930831 |
335 | Self Crossing | 28.0% | Hard | 0.921320 |
227 | Basic Calculator II | 36.9% | Medium | 0.920151 |
167 | Two Sum II – Input array is sorted | 54.1% | Easy | 0.917697 |
1352 | Product of the Last K Numbers | 43.6% | Medium | 0.906210 |
120 | Triangle | 44.2% | Medium | 0.903821 |
1121 | Divide Array Into Increasing Sequences | 56.9% | Hard | 0.887303 |
94 | Binary Tree Inorder Traversal | 63.3% | Medium | 0.880608 |
412 | Fizz Buzz | 62.3% | Easy | 0.879446 |
213 | House Robber II | 36.5% | Medium | 0.877138 |
270 | Closest Binary Search Tree Value | 48.5% | Easy | 0.875036 |
235 | Lowest Common Ancestor of a Binary Search Tree | 49.9% | Easy | 0.873128 |
415 | Add Strings | 47.5% | Easy | 0.870474 |
347 | Top K Frequent Elements | 61.2% | Medium | 0.868387 |
311 | Sparse Matrix Multiplication | 61.9% | Medium | 0.865588 |
25 | Reverse Nodes in k-Group | 42.1% | Hard | 0.857582 |
1000 | Minimum Cost to Merge Stones | 39.8% | Hard | 0.848076 |
739 | Daily Temperatures | 63.3% | Medium | 0.847369 |
408 | Valid Word Abbreviation | 30.6% | Easy | 0.846521 |
252 | Meeting Rooms | 54.6% | Easy | 0.844766 |
99 | Recover Binary Search Tree | 39.7% | Hard | 0.839418 |
640 | Solve the Equation | 42.0% | Medium | 0.838920 |
79 | Word Search | 35.6% | Medium | 0.835614 |
732 | My Calendar III | 60.0% | Hard | 0.828692 |
1024 | Video Stitching | 49.2% | Medium | 0.825299 |
1036 | Escape a Large Maze | 35.4% | Hard | 0.824175 |
692 | Top K Frequent Words | 51.8% | Medium | 0.821975 |
1219 | Path with Maximum Gold | 65.1% | Medium | 0.819636 |
724 | Find Pivot Index | 44.0% | Easy | 0.814796 |
914 | X of a Kind in a Deck of Cards | 35.1% | Easy | 0.814231 |
398 | Random Pick Index | 56.0% | Medium | 0.813407 |
148 | Sort List | 42.3% | Medium | 0.807481 |
118 | Pascal’s Triangle | 52.5% | Easy | 0.803944 |
104 | Maximum Depth of Binary Tree | 66.0% | Easy | 0.802519 |
658 | Find K Closest Elements | 40.9% | Medium | 0.793091 |
1296 | Divide Array in Sets of K Consecutive Numbers | 53.8% | Medium | 0.790736 |
303 | Range Sum Query – Immutable | 44.7% | Easy | 0.789789 |
395 | Longest Substring with At Least K Repeating Characters | 41.4% | Medium | 0.789237 |
1277 | Count Square Submatrices with All Ones | 73.3% | Medium | 0.786569 |
802 | Find Eventual Safe States | 48.9% | Medium | 0.782731 |
231 | Power of Two | 43.7% | Easy | 0.781136 |
909 | Snakes and Ladders | 38.4% | Medium | 0.777967 |
13 | Roman to Integer | 55.7% | Easy | 0.777263 |
268 | Missing Number | 51.7% | Easy | 0.777208 |
632 | Smallest Range Covering Elements from K Lists | 52.4% | Hard | 0.776712 |
343 | Integer Break | 50.4% | Medium | 0.771547 |
424 | Longest Repeating Character Replacement | 47.0% | Medium | 0.771399 |
45 | Jump Game II | 30.6% | Hard | 0.770419 |
421 | Maximum XOR of Two Numbers in an Array | 53.5% | Medium | 0.768784 |
153 | Find Minimum in Rotated Sorted Array | 45.1% | Medium | 0.766582 |
432 | All O`one Data Structure | 32.4% | Hard | 0.761188 |
887 | Super Egg Drop | 27.1% | Hard | 0.755031 |
979 | Distribute Coins in Binary Tree | 68.9% | Medium | 0.752091 |
344 | Reverse String | 68.5% | Easy | 0.751814 |
941 | Valid Mountain Array | 33.2% | Easy | 0.751479 |
1125 | Smallest Sufficient Team | 46.6% | Hard | 0.747214 |
312 | Burst Balloons | 51.8% | Hard | 0.738329 |
720 | Longest Word in Dictionary | 48.2% | Easy | 0.737409 |
30 | Substring with Concatenation of All Words | 25.4% | Hard | 0.724433 |
430 | Flatten a Multilevel Doubly Linked List | 55.1% | Medium | 0.722922 |
70 | Climbing Stairs | 47.8% | Easy | 0.722764 |
1444 | Number of Ways of Cutting a Pizza | 52.8% | Hard | 0.722513 |
210 | Course Schedule II | 40.7% | Medium | 0.720309 |
771 | Jewels and Stones | 86.4% | Easy | 0.719216 |
742 | Closest Leaf in a Binary Tree | 43.6% | Medium | 0.719122 |
450 | Delete Node in a BST | 43.1% | Medium | 0.719002 |
109 | Convert Sorted List to Binary Search Tree | 47.7% | Medium | 0.718283 |
211 | Add and Search Word – Data structure design | 38.1% | Medium | 0.717507 |
804 | Unique Morse Code Words | 77.0% | Easy | 0.713263 |
265 | Paint House II | 44.6% | Hard | 0.710241 |
759 | Employee Free Time | 66.3% | Hard | 0.697496 |
16 | 3Sum Closest | 46.0% | Medium | 0.692674 |
333 | Largest BST Subtree | 35.8% | Medium | 0.692366 |
102 | Binary Tree Level Order Traversal | 54.6% | Medium | 0.689403 |
18 | 4Sum | 33.7% | Medium | 0.687692 |
101 | Symmetric Tree | 46.8% | Easy | 0.686086 |
9 | Palindrome Number | 48.4% | Easy | 0.686009 |
1326 | Minimum Number of Taps to Open to Water a Garden | 43.6% | Hard | 0.685082 |
75 | Sort Colors | 47.3% | Medium | 0.683592 |
1477 | Find Two Non-overlapping Sub-arrays Each With Target Sum | 30.0% | Medium | 0.681774 |
630 | Course Schedule III | 33.5% | Hard | 0.675649 |
1368 | Minimum Cost to Make at Least One Valid Path in a Grid | 54.3% | Hard | 0.674253 |
968 | Binary Tree Cameras | 37.5% | Hard | 0.669776 |
748 | Shortest Completing Word | 56.7% | Easy | 0.667761 |
1031 | Maximum Sum of Two Non-Overlapping Subarrays | 57.9% | Medium | 0.665354 |
143 | Reorder List | 37.1% | Medium | 0.664493 |
1023 | Camelcase Matching | 57.0% | Medium | 0.658888 |
219 | Contains Duplicate II | 37.7% | Easy | 0.656672 |
1165 | Single-Row Keyboard | 84.8% | Easy | 0.653775 |
1136 | Parallel Courses | 61.1% | Hard | 0.651865 |
1265 | Print Immutable Linked List in Reverse | 94.6% | Medium | 0.651075 |
191 | Number of 1 Bits | 49.8% | Easy | 0.645823 |
830 | Positions of Large Groups | 49.6% | Easy | 0.641049 |
174 | Dungeon Game | 32.3% | Hard | 0.633321 |
794 | Valid Tic-Tac-Toe State | 32.6% | Medium | 0.625705 |
587 | Erect the Fence | 35.9% | Hard | 0.623467 |
647 | Palindromic Substrings | 60.6% | Medium | 0.613474 |
278 | First Bad Version | 35.7% | Easy | 0.612321 |
243 | Shortest Word Distance | 61.0% | Easy | 0.611325 |
864 | Shortest Path to Get All Keys | 40.1% | Hard | 0.606135 |
78 | Subsets | 62.0% | Medium | 0.605001 |
160 | Intersection of Two Linked Lists | 40.6% | Easy | 0.604515 |
1312 | Minimum Insertion Steps to Make a String Palindrome | 58.1% | Hard | 0.601438 |
29 | Divide Two Integers | 16.4% | Medium | 0.600094 |
433 | Minimum Genetic Mutation | 41.8% | Medium | 0.597837 |
449 | Serialize and Deserialize BST | 52.0% | Medium | 0.597581 |
785 | Is Graph Bipartite? | 47.5% | Medium | 0.596847 |
438 | Find All Anagrams in a String | 43.3% | Medium | 0.596632 |
799 | Champagne Tower | 35.8% | Medium | 0.590017 |
349 | Intersection of Two Arrays | 62.5% | Easy | 0.589039 |
443 | String Compression | 41.3% | Easy | 0.580994 |
854 | K-Similar Strings | 38.2% | Hard | 0.580955 |
416 | Partition Equal Subset Sum | 43.7% | Medium | 0.580734 |
841 | Keys and Rooms | 64.3% | Medium | 0.576412 |
1140 | Stone Game II | 63.3% | Medium | 0.575820 |
862 | Shortest Subarray with Sum at Least K | 24.6% | Hard | 0.575565 |
195 | Tenth Line | 33.0% | Easy | 0.573288 |
175 | Combine Two Tables | 60.8% | Easy | 0.572474 |
933 | Number of Recent Calls | 71.9% | Easy | 0.568462 |
464 | Can I Win | 28.8% | Medium | 0.567828 |
409 | Longest Palindrome | 50.3% | Easy | 0.566157 |
572 | Subtree of Another Tree | 44.1% | Easy | 0.564931 |
806 | Number of Lines To Write String | 64.9% | Easy | 0.562632 |
81 | Search in Rotated Sorted Array II | 33.0% | Medium | 0.561042 |
440 | K-th Smallest in Lexicographical Order | 29.1% | Hard | 0.560286 |
982 | Triples with Bitwise AND Equal To Zero | 55.6% | Hard | 0.559615 |
452 | Minimum Number of Arrows to Burst Balloons | 49.6% | Medium | 0.558439 |
60 | Permutation Sequence | 38.4% | Hard | 0.556508 |
136 | Single Number | 65.5% | Easy | 0.551402 |
805 | Split Array With Same Average | 26.4% | Hard | 0.544636 |
733 | Flood Fill | 55.3% | Easy | 0.543451 |
778 | Swim in Rising Water | 53.1% | Hard | 0.539824 |
321 | Create Maximum Number | 27.0% | Hard | 0.538996 |
301 | Remove Invalid Parentheses | 43.3% | Hard | 0.538844 |
895 | Maximum Frequency Stack | 60.6% | Hard | 0.535302 |
493 | Reverse Pairs | 25.2% | Hard | 0.533474 |
51 | N-Queens | 46.6% | Hard | 0.529655 |
39 | Combination Sum | 56.1% | Medium | 0.526861 |
267 | Palindrome Permutation II | 36.4% | Medium | 0.519507 |
694 | Number of Distinct Islands | 56.0% | Medium | 0.515813 |
59 | Spiral Matrix II | 53.9% | Medium | 0.514321 |
122 | Best Time to Buy and Sell Stock II | 57.0% | Easy | 0.505975 |
387 | First Unique Character in a String | 53.4% | Easy | 0.504007 |
374 | Guess Number Higher or Lower | 43.1% | Easy | 0.503058 |
542 | 01 Matrix | 39.8% | Medium | 0.502449 |
386 | Lexicographical Numbers | 51.6% | Medium | 0.495043 |
232 | Implement Queue using Stacks | 49.6% | Easy | 0.492225 |
531 | Lonely Pixel I | 59.0% | Medium | 0.490910 |
1060 | Missing Element in Sorted Array | 54.5% | Medium | 0.490398 |
77 | Combinations | 54.7% | Medium | 0.481735 |
1157 | Online Majority Element In Subarray | 39.0% | Hard | 0.477627 |
977 | Squares of a Sorted Array | 72.1% | Easy | 0.475713 |
352 | Data Stream as Disjoint Intervals | 47.3% | Hard | 0.475160 |
690 | Employee Importance | 57.3% | Easy | 0.474471 |
456 | 132 Pattern | 28.9% | Medium | 0.471396 |
26 | Remove Duplicates from Sorted Array | 45.1% | Easy | 0.468861 |
1131 | Maximum of Absolute Value Expression | 53.0% | Medium | 0.465253 |
787 | Cheapest Flights Within K Stops | 39.3% | Medium | 0.454142 |
420 | Strong Password Checker | 14.0% | Hard | 0.449117 |
385 | Mini Parser | 33.8% | Medium | 0.446850 |
290 | Word Pattern | 37.0% | Easy | 0.445804 |
1047 | Remove All Adjacent Duplicates In String | 68.6% | Easy | 0.441715 |
958 | Check Completeness of a Binary Tree | 52.1% | Medium | 0.438290 |
1244 | Design A Leaderboard | 60.7% | Medium | 0.431754 |
716 | Max Stack | 42.6% | Easy | 0.428107 |
698 | Partition to K Equal Sum Subsets | 45.0% | Medium | 0.427258 |
125 | Valid Palindrome | 36.7% | Easy | 0.423612 |
950 | Reveal Cards In Increasing Order | 74.6% | Medium | 0.421349 |
741 | Cherry Pickup | 33.9% | Hard | 0.420850 |
19 | Remove Nth Node From End of List | 35.2% | Medium | 0.419184 |
1091 | Shortest Path in Binary Matrix | 38.2% | Medium | 0.415065 |
366 | Find Leaves of Binary Tree | 70.6% | Medium | 0.413012 |
1504 | Count Submatrices With All Ones | 61.7% | Medium | 0.412622 |
926 | Flip String to Monotone Increasing | 52.3% | Medium | 0.407559 |
719 | Find K-th Smallest Pair Distance | 31.5% | Hard | 0.403163 |
442 | Find All Duplicates in an Array | 67.8% | Medium | 0.402917 |
6 | ZigZag Conversion | 36.3% | Medium | 0.402428 |
435 | Non-overlapping Intervals | 42.9% | Medium | 0.399553 |
350 | Intersection of Two Arrays II | 51.4% | Easy | 0.386257 |
790 | Domino and Tromino Tiling | 39.2% | Medium | 0.385662 |
1188 | Design Bounded Blocking Queue | 70.5% | Medium | 0.382859 |
216 | Combination Sum III | 56.6% | Medium | 0.380572 |
141 | Linked List Cycle | 41.1% | Easy | 0.380391 |
834 | Sum of Distances in Tree | 43.7% | Hard | 0.379186 |
662 | Maximum Width of Binary Tree | 41.0% | Medium | 0.377317 |
924 | Minimize Malware Spread | 42.0% | Hard | 0.376477 |
24 | Swap Nodes in Pairs | 50.4% | Medium | 0.372203 |
445 | Add Two Numbers II | 54.5% | Medium | 0.369250 |
1463 | Cherry Pickup II | 65.7% | Hard | 0.367451 |
1345 | Jump Game IV | 38.0% | Hard | 0.363133 |
504 | Base 7 | 46.2% | Easy | 0.362601 |
28 | Implement strStr() | 34.5% | Easy | 0.361581 |
1223 | Dice Roll Simulation | 45.6% | Medium | 0.357749 |
689 | Maximum Sum of 3 Non-Overlapping Subarrays | 46.3% | Hard | 0.354898 |
859 | Buddy Strings | 27.4% | Easy | 0.348556 |
726 | Number of Atoms | 49.0% | Hard | 0.344429 |
483 | Smallest Good Base | 35.7% | Hard | 0.339354 |
451 | Sort Characters By Frequency | 63.0% | Medium | 0.336850 |
821 | Shortest Distance to a Character | 66.9% | Easy | 0.333951 |
960 | Delete Columns to Make Sorted III | 53.6% | Hard | 0.333639 |
426 | Convert Binary Search Tree to Sorted Doubly Linked List | 59.1% | Medium | 0.330854 |
323 | Number of Connected Components in an Undirected Graph | 56.0% | Medium | 0.329842 |
448 | Find All Numbers Disappeared in an Array | 55.9% | Easy | 0.327429 |
1062 | Longest Repeating Substring | 57.2% | Medium | 0.326091 |
368 | Largest Divisible Subset | 38.0% | Medium | 0.320273 |
272 | Closest Binary Search Tree Value II | 50.5% | Hard | 0.319522 |
237 | Delete Node in a Linked List | 63.8% | Easy | 0.316752 |
88 | Merge Sorted Array | 39.4% | Easy | 0.310998 |
119 | Pascal’s Triangle II | 49.0% | Easy | 0.308917 |
706 | Design HashMap | 61.3% | Easy | 0.306079 |
113 | Path Sum II | 46.7% | Medium | 0.303050 |
987 | Vertical Order Traversal of a Binary Tree | 36.6% | Medium | 0.302306 |
564 | Find the Closest Palindrome | 19.7% | Hard | 0.300754 |
131 | Palindrome Partitioning | 47.5% | Medium | 0.300117 |
703 | Kth Largest Element in a Stream | 49.7% | Easy | 0.300026 |
204 | Count Primes | 31.5% | Easy | 0.298447 |
1229 | Meeting Scheduler | 52.7% | Medium | 0.295560 |
992 | Subarrays with K Different Integers | 48.6% | Hard | 0.292148 |
74 | Search a 2D Matrix | 36.5% | Medium | 0.291078 |
1021 | Remove Outermost Parentheses | 78.0% | Easy | 0.289337 |
758 | Bold Words in String | 46.0% | Easy | 0.283575 |
82 | Remove Duplicates from Sorted List II | 36.8% | Medium | 0.282446 |
328 | Odd Even Linked List | 55.7% | Medium | 0.280800 |
1206 | Design Skiplist | 57.3% | Hard | 0.279584 |
525 | Contiguous Array | 42.8% | Medium | 0.277027 |
730 | Count Different Palindromic Subsequences | 41.8% | Hard | 0.274436 |
765 | Couples Holding Hands | 54.3% | Hard | 0.273806 |
1237 | Find Positive Integer Solution for a Given Equation | 69.7% | Easy | 0.272399 |
886 | Possible Bipartition | 44.2% | Medium | 0.271727 |
1203 | Sort Items by Groups Respecting Dependencies | 47.6% | Hard | 0.271109 |
949 | Largest Time for Given Digits | 35.8% | Easy | 0.268699 |
1155 | Number of Dice Rolls With Target Sum | 49.0% | Medium | 0.266466 |
567 | Permutation in String | 44.4% | Medium | 0.266179 |
764 | Largest Plus Sign | 46.0% | Medium | 0.261597 |
35 | Search Insert Position | 42.6% | Easy | 0.260894 |
1114 | Print in Order | 65.7% | Easy | 0.254892 |
371 | Sum of Two Integers | 50.7% | Medium | 0.252179 |
621 | Task Scheduler | 50.1% | Medium | 0.249737 |
530 | Minimum Absolute Difference in BST | 53.8% | Easy | 0.247152 |
622 | Design Circular Queue | 43.8% | Medium | 0.245492 |
980 | Unique Paths III | 73.3% | Hard | 0.245122 |
185 | Department Top Three Salaries | 34.5% | Hard | 0.242803 |
501 | Find Mode in Binary Search Tree | 42.4% | Easy | 0.240837 |
402 | Remove K Digits | 28.4% | Medium | 0.240676 |
87 | Scramble String | 33.7% | Hard | 0.240385 |
496 | Next Greater Element I | 63.8% | Easy | 0.238310 |
747 | Largest Number At Least Twice of Others | 42.0% | Easy | 0.237328 |
176 | Second Highest Salary | 31.6% | Easy | 0.236779 |
665 | Non-decreasing Array | 19.5% | Easy | 0.235319 |
925 | Long Pressed Name | 40.5% | Easy | 0.234288 |
397 | Integer Replacement | 32.9% | Medium | 0.232252 |
129 | Sum Root to Leaf Numbers | 49.1% | Medium | 0.230806 |
377 | Combination Sum IV | 45.3% | Medium | 0.229871 |
1044 | Longest Duplicate Substring | 31.9% | Hard | 0.228914 |
768 | Max Chunks To Make Sorted II | 48.7% | Hard | 0.227678 |
313 | Super Ugly Number | 45.0% | Medium | 0.222520 |
942 | DI String Match | 72.6% | Easy | 0.220183 |
931 | Minimum Falling Path Sum | 62.5% | Medium | 0.218120 |
192 | Word Frequency | 25.8% | Medium | 0.216148 |
832 | Flipping an Image | 76.2% | Easy | 0.212011 |
503 | Next Greater Element II | 56.5% | Medium | 0.209630 |
952 | Largest Component Size by Common Factor | 30.3% | Hard | 0.206920 |
875 | Koko Eating Bananas | 52.1% | Medium | 0.206150 |
145 | Binary Tree Postorder Traversal | 55.0% | Hard | 0.205527 |
1138 | Alphabet Board Path | 48.4% | Medium | 0.205263 |
839 | Similar String Groups | 38.6% | Hard | 0.203228 |
1254 | Number of Closed Islands | 60.5% | Medium | 0.203124 |
179 | Largest Number | 28.8% | Medium | 0.201622 |
234 | Palindrome Linked List | 39.3% | Easy | 0.201021 |
190 | Reverse Bits | 39.8% | Easy | 0.200353 |
714 | Best Time to Buy and Sell Stock with Transaction Fee | 54.7% | Medium | 0.199665 |
477 | Total Hamming Distance | 50.4% | Medium | 0.199665 |
1095 | Find in Mountain Array | 35.8% | Hard | 0.198918 |
827 | Making A Large Island | 45.7% | Hard | 0.198012 |
705 | Design HashSet | 64.3% | Easy | 0.195783 |
1286 | Iterator for Combination | 68.2% | Medium | 0.195000 |
791 | Custom Sort String | 65.7% | Medium | 0.192283 |
1161 | Maximum Level Sum of a Binary Tree | 72.2% | Medium | 0.192180 |
1209 | Remove All Adjacent Duplicates in String II | 56.9% | Medium | 0.191974 |
863 | All Nodes Distance K in Binary Tree | 55.4% | Medium | 0.190199 |
114 | Flatten Binary Tree to Linked List | 49.3% | Medium | 0.190076 |
678 | Valid Parenthesis String | 31.0% | Medium | 0.187953 |
100 | Same Tree | 53.4% | Easy | 0.184731 |
1466 | Reorder Routes to Make All Paths Lead to the City Zero | 63.5% | Medium | 0.184003 |
27 | Remove Element | 48.2% | Easy | 0.182469 |
547 | Friend Circles | 58.6% | Medium | 0.179703 |
83 | Remove Duplicates from Sorted List | 45.4% | Easy | 0.176301 |
331 | Verify Preorder Serialization of a Binary Tree | 40.4% | Medium | 0.171521 |
144 | Binary Tree Preorder Traversal | 55.7% | Medium | 0.169755 |
940 | Distinct Subsequences II | 41.5% | Hard | 0.169178 |
309 | Best Time to Buy and Sell Stock with Cooldown | 47.4% | Medium | 0.167756 |
330 | Patching Array | 34.5% | Hard | 0.167054 |
1143 | Longest Common Subsequence | 58.4% | Medium | 0.165277 |
639 | Decode Ways II | 26.6% | Hard | 0.159914 |
404 | Sum of Left Leaves | 50.9% | Easy | 0.159116 |
151 | Reverse Words in a String | 21.9% | Medium | 0.156697 |
965 | Univalued Binary Tree | 67.7% | Easy | 0.156637 |
1366 | Rank Teams by Votes | 53.8% | Medium | 0.155754 |
326 | Power of Three | 42.1% | Easy | 0.155237 |
414 | Third Maximum Number | 30.5% | Easy | 0.154076 |
314 | Binary Tree Vertical Order Traversal | 45.3% | Medium | 0.151486 |
1483 | Kth Ancestor of a Tree Node | 27.6% | Hard | 0.145889 |
713 | Subarray Product Less Than K | 39.1% | Medium | 0.145435 |
181 | Employees Earning More Than Their Managers | 56.9% | Easy | 0.144581 |
1102 | Path With Maximum Minimum Value | 49.2% | Medium | 0.144481 |
936 | Stamping The Sequence | 42.8% | Hard | 0.143100 |
67 | Add Binary | 45.2% | Easy | 0.139868 |
554 | Brick Wall | 50.0% | Medium | 0.138469 |
1029 | Two City Scheduling | 56.1% | Easy | 0.138044 |
934 | Shortest Bridge | 48.2% | Medium | 0.137083 |
938 | Range Sum of BST | 81.3% | Easy | 0.133201 |
199 | Binary Tree Right Side View | 54.1% | Medium | 0.133192 |
668 | Kth Smallest Number in Multiplication Table | 45.6% | Hard | 0.133086 |
123 | Best Time to Buy and Sell Stock III | 37.5% | Hard | 0.129915 |
1025 | Divisor Game | 66.3% | Easy | 0.127651 |
80 | Remove Duplicates from Sorted Array II | 44.0% | Medium | 0.126040 |
1218 | Longest Arithmetic Subsequence of Given Difference | 44.6% | Medium | 0.123444 |
177 | Nth Highest Salary | 31.4% | Medium | 0.122477 |
92 | Reverse Linked List II | 38.8% | Medium | 0.120806 |
1123 | Lowest Common Ancestor of Deepest Leaves | 66.8% | Medium | 0.120355 |
1122 | Relative Sort Array | 67.7% | Easy | 0.117120 |
948 | Bag of Tokens | 40.8% | Medium | 0.115735 |
812 | Largest Triangle Area | 58.3% | Easy | 0.115069 |
487 | Max Consecutive Ones II | 48.5% | Medium | 0.114775 |
669 | Trim a Binary Search Tree | 63.0% | Easy | 0.114018 |
674 | Longest Continuous Increasing Subsequence | 45.9% | Easy | 0.113243 |
780 | Reaching Points | 29.4% | Hard | 0.112337 |
40 | Combination Sum II | 48.2% | Medium | 0.111453 |
1447 | Simplified Fractions | 61.0% | Medium | 0.109099 |
467 | Unique Substrings in Wraparound String | 35.6% | Medium | 0.107341 |
872 | Leaf-Similar Trees | 64.5% | Easy | 0.104785 |
142 | Linked List Cycle II | 37.3% | Medium | 0.100193 |
717 | 1-bit and 2-bit Characters | 48.8% | Easy | 0.097459 |
735 | Asteroid Collision | 41.0% | Medium | 0.095423 |
983 | Minimum Cost For Tickets | 60.5% | Medium | 0.095253 |
583 | Delete Operation for Two Strings | 48.6% | Medium | 0.095108 |
559 | Maximum Depth of N-ary Tree | 68.7% | Easy | 0.094683 |
881 | Boats to Save People | 46.8% | Medium | 0.094508 |
701 | Insert into a Binary Search Tree | 77.7% | Medium | 0.093281 |
257 | Binary Tree Paths | 51.5% | Easy | 0.090400 |
367 | Valid Perfect Square | 41.7% | Easy | 0.090216 |
474 | Ones and Zeroes | 42.8% | Medium | 0.088292 |
1108 | Defanging an IP Address | 87.5% | Easy | 0.086321 |
682 | Baseball Game | 63.7% | Easy | 0.085117 |
1245 | Tree Diameter | 60.1% | Medium | 0.083381 |
1192 | Critical Connections in a Network | 48.6% | Hard | 0.081691 |
581 | Shortest Unsorted Continuous Subarray | 31.1% | Easy | 0.080610 |
103 | Binary Tree Zigzag Level Order Traversal | 48.3% | Medium | 0.080460 |
1325 | Delete Leaves With a Given Value | 73.0% | Medium | 0.076633 |
203 | Remove Linked List Elements | 38.6% | Easy | 0.076614 |
989 | Add to Array-Form of Integer | 44.2% | Easy | 0.072088 |
523 | Continuous Subarray Sum | 24.6% | Medium | 0.071663 |
1300 | Sum of Mutated Array Closest to Target | 44.2% | Medium | 0.070081 |
657 | Robot Return to Origin | 73.5% | Easy | 0.068256 |
494 | Target Sum | 46.3% | Medium | 0.067211 |
1027 | Longest Arithmetic Sequence | 53.4% | Medium | 0.066939 |
997 | Find the Town Judge | 50.1% | Easy | 0.065489 |
1105 | Filling Bookcase Shelves | 58.1% | Medium | 0.064642 |
485 | Max Consecutive Ones | 54.6% | Easy | 0.063238 |
154 | Find Minimum in Rotated Sorted Array II | 41.6% | Hard | 0.062430 |
811 | Subdomain Visit Count | 69.9% | Easy | 0.061327 |
472 | Concatenated Words | 43.7% | Hard | 0.061201 |
905 | Sort Array By Parity | 74.1% | Easy | 0.058564 |
1233 | Remove Sub-Folders from the Filesystem | 59.5% | Medium | 0.057076 |
1424 | Diagonal Traverse II | 42.4% | Medium | 0.051227 |
1267 | Count Servers that Communicate | 57.9% | Medium | 0.049029 |
357 | Count Numbers with Unique Digits | 48.4% | Medium | 0.045932 |
654 | Maximum Binary Tree | 79.9% | Medium | 0.045786 |
1099 | Two Sum Less Than K | 60.6% | Easy | 0.045103 |
680 | Valid Palindrome II | 36.6% | Easy | 0.044706 |
1026 | Maximum Difference Between Node and Ancestor | 66.0% | Medium | 0.044672 |
901 | Online Stock Span | 60.2% | Medium | 0.041423 |
1235 | Maximum Profit in Job Scheduling | 44.0% | Hard | 0.040573 |
819 | Most Common Word | 44.8% | Easy | 0.040460 |
1167 | Minimum Cost to Connect Sticks | 62.8% | Medium | 0.039375 |
643 | Maximum Average Subarray I | 41.5% | Easy | 0.036836 |
468 | Validate IP Address | 24.1% | Medium | 0.034486 |
1079 | Letter Tile Possibilities | 75.4% | Medium | 0.033336 |
814 | Binary Tree Pruning | 74.5% | Medium | 0.031130 |
1179 | Reformat Department Table | 80.6% | Easy | 0.030653 |
779 | K-th Symbol in Grammar | 37.2% | Medium | 0.029050 |
917 | Reverse Only Letters | 58.0% | Easy | 0.028655 |
709 | To Lower Case | 79.3% | Easy | 0.027805 |
1342 | Number of Steps to Reduce a Number to Zero | 86.3% | Easy | 0.027616 |
783 | Minimum Distance Between BST Nodes | 52.6% | Easy | 0.026196 |
1051 | Height Checker | 71.1% | Easy | 0.025620 |
541 | Reverse String II | 48.4% | Easy | 0.025349 |
1089 | Duplicate Zeros | 52.9% | Easy | 0.019397 |
1365 | How Many Numbers Are Smaller Than the Current Number | 85.6% | Easy | 0.015926 |
1313 | Decompress Run-Length Encoded List | 85.1% | Easy | 0.012088 |
1281 | Subtract the Product and Sum of Digits of an Integer | 85.2% | Easy | 0.010908 |
1480 | Running Sum of 1d Array | 90.5% | Easy | 0.010437 |
700 | Search in a Binary Search Tree | 73.1% | Easy | 0.008512 |
1530 | Number of Good Leaf Nodes Pairs | 53.6% | Medium | 0.005780 |
545 | Boundary of Binary Tree | 38.9% | Medium | 0 |
644 | Maximum Average Subarray II | 32.0% | Hard | 0 |
481 | Magical String | 47.5% | Medium | 0 |
506 | Relative Ranks | 50.5% | Easy | 0 |
514 | Freedom Trail | 43.0% | Hard | 0 |
520 | Detect Capital | 54.2% | Easy | 0 |
521 | Longest Uncommon Subsequence I | 57.6% | Easy | 0 |
522 | Longest Uncommon Subsequence II | 34.0% | Medium | 0 |
526 | Beautiful Arrangement | 57.8% | Medium | 0 |
533 | Lonely Pixel II | 47.9% | Medium | 0 |
569 | Median Employee Salary | 57.7% | Hard | 0 |
638 | Shopping Offers | 51.5% | Medium | 0 |
651 | 4 Keys Keyboard | 52.5% | Medium | 0 |
656 | Coin Path | 29.0% | Hard | 0 |
667 | Beautiful Arrangement II | 54.3% | Medium | 0 |
756 | Pyramid Transition Matrix | 54.6% | Medium | 0 |
782 | Transform to Chessboard | 46.5% | Hard | 0 |
789 | Escape The Ghosts | 57.4% | Medium | 0 |
808 | Soup Servings | 39.9% | Medium | 0 |
813 | Largest Sum of Averages | 49.9% | Medium | 0 |
816 | Ambiguous Coordinates | 47.2% | Medium | 0 |
838 | Push Dominoes | 48.5% | Medium | 0 |
847 | Shortest Path Visiting All Nodes | 52.0% | Hard | 0 |
879 | Profitable Schemes | 39.8% | Hard | 0 |
519 | Random Flip Matrix | 36.7% | Medium | 0 |
906 | Super Palindromes | 32.7% | Hard | 0 |
916 | Word Subsets | 47.8% | Medium | 0 |
944 | Delete Columns to Make Sorted | 70.3% | Easy | 0 |
919 | Complete Binary Tree Inserter | 57.3% | Medium | 0 |
954 | Array of Doubled Pairs | 35.6% | Medium | 0 |
955 | Delete Columns to Make Sorted II | 33.2% | Medium | 0 |
962 | Maximum Width Ramp | 45.4% | Medium | 0 |
988 | Smallest String Starting From Leaf | 46.1% | Medium | 0 |
1059 | All Paths from Source Lead to Destination | 44.7% | Medium | 0 |
1012 | Numbers With Repeated Digits | 37.5% | Hard | 0 |
1015 | Smallest Integer Divisible by K | 32.1% | Medium | 0 |
1016 | Binary String With Substrings Representing 1 To N | 58.8% | Medium | 0 |
1020 | Number of Enclaves | 57.8% | Medium | 0 |
1037 | Valid Boomerang | 37.9% | Easy | 0 |
1182 | Shortest Distance to Target Color | 52.8% | Medium | 0 |
1199 | Minimum Time to Build Blocks | 37.4% | Hard | 0 |
1078 | Occurrences After Bigram | 64.7% | Easy | 0 |
1090 | Largest Values From Labels | 58.9% | Medium | 0 |
1272 | Remove Interval | 58.6% | Medium | 0 |
1287 | Element Appearing More Than 25% In Sorted Array | 60.2% | Easy | 0 |
1289 | Minimum Falling Path Sum II | 60.9% | Hard | 0 |
1314 | Matrix Block Sum | 73.7% | Medium | 0 |
1316 | Distinct Echo Substrings | 46.4% | Hard | 0 |
1144 | Decrease Elements To Make Array Zigzag | 45.4% | Medium | 0 |
1147 | Longest Chunked Palindrome Decomposition | 58.6% | Hard | 0 |
1302 | Deepest Leaves Sum | 83.6% | Medium | 0 |
1331 | Rank Transform of an Array | 58.0% | Easy | 0 |
1184 | Distance Between Bus Stops | 54.5% | Easy | 0 |
1207 | Unique Number of Occurrences | 71.6% | Easy | 0 |
1514 | Path with Maximum Probability | 36.5% | Medium | 0 |
1261 | Find Elements in a Contaminated Binary Tree | 74.3% | Medium | 0 |
1269 | Number of Ways to Stay in the Same Place After Some Steps | 43.2% | Hard | 0 |
1270 | All People Report to the Given Manager | 87.1% | Medium | 0 |
1346 | Check If N and Its Double Exist | 37.9% | Easy | 0 |
1387 | Sort Integers by The Power Value | 70.2% | Medium | 0 |
1388 | Pizza With 3n Slices | 44.7% | Hard | 0 |
1377 | Frog Position After T Seconds | 33.6% | Hard | 0 |
1401 | Circle and Rectangle Overlapping | 41.8% | Medium | 0 |
1392 | Longest Happy Prefix | 40.1% | Hard | 0 |
1414 | Find the Minimum Number of Fibonacci Numbers Whose Sum Is K | 63.2% | Medium | 0 |
1422 | Maximum Score After Splitting a String | 54.7% | Easy | 0 |
1449 | Form Largest Integer With Digits That Add up to Target | 41.8% | Hard | 0 |
1441 | Build an Array With Stack Operations | 68.7% | Easy | 0 |
1461 | Check If a String Contains All Binary Codes of Size K | 44.6% | Medium | 0 |
1452 | People Whose List of Favorite Companies Is Not a Subset of Another List | 53.3% | Medium | 0 |
1471 | The k Strongest Values in an Array | 57.0% | Medium | 0 |
1494 | Parallel Courses II | 32.0% | Hard | 0 |
1482 | Minimum Number of Days to Make m Bouquets | 45.8% | Medium | 0 |
1488 | Avoid Flood in The City | 25.3% | Medium | 0 |
1508 | Range Sum of Sorted Subarray Sums | 68.3% | Medium | 0 |
1509 | Minimum Difference Between Largest and Smallest Value in Three Moves | 51.0% | Medium | 0 |
1498 | Number of Subsequences That Satisfy the Given Sum Condition | 36.7% | Medium | 0 |
1499 | Max Value of Equation | 44.4% | Hard | 0 |
1503 | Last Moment Before All Ants Fall Out of a Plank | 51.5% | Medium | 0 |
1525 | Number of Good Ways to Split a String | 69.8% | Medium | 0 |
1526 | Minimum Number of Increments on Subarrays to Form a Target Array | 57.7% | Hard | 0 |
1513 | Number of Substrings With Only 1s | 40.3% | Medium | 0 |
1546 | Maximum Number of Non-Overlapping Subarrays With Sum Equals Target | 40.6% | Medium | 0 |
1506 | Find Root of N-Ary Tree | 80.0% | Medium | 0 |
1516 | Move Sub-Tree of N-Ary Tree | 60.1% | Hard | 0 |
1544 | Make The String Great | 54.4% | Easy | 0 |
1538 | Guess the Majority in a Hidden Array | 63.2% | Medium | 0 |