| 1 | https://leetcode.com/problems/two-sum | Two Sum | Easy | 57.1% | 75.0% |
| 2 | https://leetcode.com/problems/add-two-numbers | Add Two Numbers | Medium | 47.9% | 62.5% |
| 3 | https://leetcode.com/problems/longest-substring-without-repeating-characters | Longest Substring Without Repeating Characters | Medium | 38.5% | 87.5% |
| 7 | https://leetcode.com/problems/reverse-integer | Reverse Integer | Medium | 31.5% | 37.5% |
| 15 | https://leetcode.com/problems/3sum | 3Sum | Medium | 38.6% | 37.5% |
| 20 | https://leetcode.com/problems/valid-parentheses | Valid Parentheses | Easy | 43.7% | 75.0% |
| 22 | https://leetcode.com/problems/generate-parentheses | Generate Parentheses | Medium | 78.2% | 50.0% |
| 23 | https://leetcode.com/problems/merge-k-sorted-lists | Merge k Sorted Lists | Hard | 58.8% | 75.0% |
| 33 | https://leetcode.com/problems/search-in-rotated-sorted-array | Search in Rotated Sorted Array | Medium | 44.1% | 75.0% |
| 42 | https://leetcode.com/problems/trapping-rain-water | Trapping Rain Water | Hard | 66.8% | 62.5% |
| 48 | https://leetcode.com/problems/rotate-image | Rotate Image | Medium | 79.3% | 50.0% |
| 49 | https://leetcode.com/problems/group-anagrams | Group Anagrams | Medium | 72.2% | 75.0% |
| 53 | https://leetcode.com/problems/maximum-subarray | Maximum Subarray | Medium | 53.0% | 75.0% |
| 56 | https://leetcode.com/problems/merge-intervals | Merge Intervals | Medium | 51.1% | 62.5% |
| 70 | https://leetcode.com/problems/climbing-stairs | Climbing Stairs | Easy | 53.9% | 37.5% |
| 73 | https://leetcode.com/problems/set-matrix-zeroes | Set Matrix Zeroes | Medium | 62.4% | 50.0% |
| 92 | https://leetcode.com/problems/reverse-linked-list-ii | Reverse Linked List II | Medium | 51.0% | 50.0% |
| 1041 | https://leetcode.com/problems/robot-bounded-in-circle | Robot Bounded In Circle | Medium | 56.4% | 37.5% |
| 98 | https://leetcode.com/problems/validate-binary-search-tree | Validate Binary Search Tree | Medium | 35.3% | 50.0% |
| 1046 | https://leetcode.com/problems/last-stone-weight | Last Stone Weight | Easy | 66.3% | 87.5% |
| 1197 | https://leetcode.com/problems/minimum-knight-moves | Minimum Knight Moves | Medium | 41.7% | 37.5% |
| 121 | https://leetcode.com/problems/best-time-to-buy-and-sell-stock | Best Time to Buy and Sell Stock | Easy | 56.4% | 87.5% |
| 124 | https://leetcode.com/problems/binary-tree-maximum-path-sum | Binary Tree Maximum Path Sum | Hard | 42.0% | 50.0% |
| 138 | https://leetcode.com/problems/copy-list-with-random-pointer | Copy List with Random Pointer | Medium | 62.4% | 50.0% |
| 146 | https://leetcode.com/problems/lru-cache | LRU Cache | Medium | 46.8% | 87.5% |
| 149 | https://leetcode.com/problems/max-points-on-a-line | Max Points on a Line | Hard | 30.2% | 50.0% |
| 162 | https://leetcode.com/problems/find-peak-element | Find Peak Element | Medium | 46.8% | 50.0% |
| 190 | https://leetcode.com/problems/reverse-bits | Reverse Bits | Easy | 67.7% | 75.0% |
| 198 | https://leetcode.com/problems/house-robber | House Robber | Medium | 52.9% | 50.0% |
| 200 | https://leetcode.com/problems/number-of-islands | Number of Islands | Medium | 63.8% | 75.0% |
| 208 | https://leetcode.com/problems/implement-trie-prefix-tree | Implement Trie (Prefix Tree) | Medium | 69.2% | 37.5% |
| 215 | https://leetcode.com/problems/kth-largest-element-in-an-array | Kth Largest Element in an Array | Medium | 68.8% | 37.5% |
| 221 | https://leetcode.com/problems/maximal-square | Maximal Square | Medium | 50.0% | 50.0% |
| 1146 | https://leetcode.com/problems/snapshot-array | Snapshot Array | Medium | 36.7% | 37.5% |
| 1328 | https://leetcode.com/problems/break-a-palindrome | Break a Palindrome | Medium | 51.6% | 62.5% |
| 237 | https://leetcode.com/problems/delete-node-in-a-linked-list | Delete Node in a Linked List | Medium | 83.6% | 37.5% |
| 255 | https://leetcode.com/problems/verify-preorder-sequence-in-binary-search-tree | Verify Preorder Sequence in Binary Search Tree | Medium | 51.7% | 37.5% |
| 268 | https://leetcode.com/problems/missing-number | Missing Number | Easy | 71.6% | 62.5% |
| 274 | https://leetcode.com/problems/h-index | H-Index | Medium | 41.1% | 37.5% |
| 283 | https://leetcode.com/problems/move-zeroes | Move Zeroes | Easy | 63.5% | 75.0% |
| 287 | https://leetcode.com/problems/find-the-duplicate-number | Find the Duplicate Number | Medium | 64.0% | 62.5% |
| 295 | https://leetcode.com/problems/find-median-from-data-stream | Find Median from Data Stream | Hard | 54.2% | 62.5% |
| 338 | https://leetcode.com/problems/counting-bits | Counting Bits | Easy | 80.4% | 50.0% |
| 349 | https://leetcode.com/problems/intersection-of-two-arrays | Intersection of Two Arrays | Easy | 77.5% | 37.5% |
| 382 | https://leetcode.com/problems/linked-list-random-node | Linked List Random Node | Medium | 64.6% | 50.0% |
| 2571 | https://leetcode.com/problems/minimum-operations-to-reduce-an-integer-to-0 | Minimum Operations to Reduce an Integer to 0 | Medium | 61.0% | 75.0% |
| 1570 | https://leetcode.com/problems/dot-product-of-two-sparse-vectors | Dot Product of Two Sparse Vectors | Medium | 89.9% | 62.5% |
| 1610 | https://leetcode.com/problems/maximum-number-of-visible-points | Maximum Number of Visible Points | Hard | 37.9% | 75.0% |
| 713 | https://leetcode.com/problems/subarray-product-less-than-k | Subarray Product Less Than K | Medium | 53.9% | 37.5% |
| 724 | https://leetcode.com/problems/find-pivot-index | Find Pivot Index | Easy | 62.1% | 50.0% |
| 773 | https://leetcode.com/problems/sliding-puzzle | Sliding Puzzle | Hard | 74.1% | 50.0% |
| 706 | https://leetcode.com/problems/design-hashmap | Design HashMap | Easy | 66.4% | 50.0% |
| 894 | https://leetcode.com/problems/all-possible-full-binary-trees | All Possible Full Binary Trees | Medium | 82.8% | 37.5% |
| 509 | https://leetcode.com/problems/fibonacci-number | Fibonacci Number | Easy | 73.9% | 62.5% |
| 2461 | https://leetcode.com/problems/maximum-sum-of-distinct-subarrays-with-length-k | Maximum Sum of Distinct Subarrays With Length K | Medium | 42.8% | 50.0% |
| 2365 | https://leetcode.com/problems/task-scheduler-ii | Task Scheduler II | Medium | 54.7% | 75.0% |
| 8 | https://leetcode.com/problems/string-to-integer-atoi | String to Integer (atoi) | Medium | 20.6% | 62.5% |
| 223 | https://leetcode.com/problems/rectangle-area | Rectangle Area | Medium | 48.9% | 50.0% |
| 380 | https://leetcode.com/problems/insert-delete-getrandom-o1 | Insert Delete GetRandom O(1) | Medium | 55.3% | 50.0% |
| 14 | https://leetcode.com/problems/longest-common-prefix | Longest Common Prefix | Easy | 47.1% | 50.0% |
| 426 | https://leetcode.com/problems/convert-binary-search-tree-to-sorted-doubly-linked-list | Convert Binary Search Tree to Sorted Doubly Linked List | Medium | 65.6% | 37.5% |
| 206 | https://leetcode.com/problems/reverse-linked-list | Reverse Linked List | Easy | 80.2% | 62.5% |
| 297 | https://leetcode.com/problems/serialize-and-deserialize-binary-tree | Serialize and Deserialize Binary Tree | Hard | 60.3% | 62.5% |
| 209 | https://leetcode.com/problems/minimum-size-subarray-sum | Minimum Size Subarray Sum | Medium | 51.0% | 50.0% |
| 322 | https://leetcode.com/problems/coin-change | Coin Change | Medium | 47.9% | 37.5% |
| 54 | https://leetcode.com/problems/spiral-matrix | Spiral Matrix | Medium | 56.1% | 50.0% |
| 88 | https://leetcode.com/problems/merge-sorted-array | Merge Sorted Array | Easy | 54.4% | 50.0% |
| 83 | https://leetcode.com/problems/remove-duplicates-from-sorted-list | Remove Duplicates from Sorted List | Easy | 56.2% | 50.0% |
| 761 | https://leetcode.com/problems/special-binary-string | Special Binary String | Hard | 75.9% | 100.0% |
| 412 | https://leetcode.com/problems/fizz-buzz | Fizz Buzz | Easy | 75.2% | 75.0% |
| 210 | https://leetcode.com/problems/course-schedule-ii | Course Schedule II | Medium | 55.0% | 50.0% |
| 841 | https://leetcode.com/problems/keys-and-rooms | Keys and Rooms | Medium | 75.5% | 37.5% |
| 1948 | https://leetcode.com/problems/delete-duplicate-folders-in-system | Delete Duplicate Folders in System | Hard | 77.7% | 50.0% |
| 468 | https://leetcode.com/problems/validate-ip-address | Validate IP Address | Medium | 28.2% | 37.5% |
| 2539 | https://leetcode.com/problems/count-the-number-of-good-subsequences | Count the Number of Good Subsequences | Medium | 48.3% | 37.5% |
| 151 | https://leetcode.com/problems/reverse-words-in-a-string | Reverse Words in a String | Medium | 55.5% | 62.5% |
| 344 | https://leetcode.com/problems/reverse-string | Reverse String | Easy | 80.5% | 37.5% |
| 2592 | https://leetcode.com/problems/maximize-greatness-of-an-array | Maximize Greatness of an Array | Medium | 61.2% | 75.0% |
| 191 | https://leetcode.com/problems/number-of-1-bits | Number of 1 Bits | Easy | 76.3% | 50.0% |
| 1669 | https://leetcode.com/problems/merge-in-between-linked-lists | Merge In Between Linked Lists | Medium | 82.8% | 37.5% |
| 75 | https://leetcode.com/problems/sort-colors | Sort Colors | Medium | 69.1% | 62.5% |
| 1962 | https://leetcode.com/problems/remove-stones-to-minimize-the-total | Remove Stones to Minimize the Total | Medium | 65.5% | 50.0% |
| 64 | https://leetcode.com/problems/minimum-path-sum | Minimum Path Sum | Medium | 67.8% | 50.0% |
| 63 | https://leetcode.com/problems/unique-paths-ii | Unique Paths II | Medium | 44.1% | 62.5% |
| 443 | https://leetcode.com/problems/string-compression | String Compression | Medium | 59.5% | 50.0% |
| 490 | https://leetcode.com/problems/the-maze | The Maze | Medium | 60.3% | 37.5% |
| 735 | https://leetcode.com/problems/asteroid-collision | Asteroid Collision | Medium | 47.1% | 50.0% |
| 18 | https://leetcode.com/problems/4sum | 4Sum | Medium | 40.0% | 62.5% |
| 55 | https://leetcode.com/problems/jump-game | Jump Game | Medium | 40.5% | 50.0% |
| 917 | https://leetcode.com/problems/reverse-only-letters | Reverse Only Letters | Easy | 68.1% | 37.5% |
| 273 | https://leetcode.com/problems/integer-to-english-words | Integer to English Words | Hard | 34.8% | 37.5% |
| 122 | https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii | Best Time to Buy and Sell Stock II | Medium | 70.7% | 37.5% |
| 93 | https://leetcode.com/problems/restore-ip-addresses | Restore IP Addresses | Medium | 55.3% | 62.5% |
| 621 | https://leetcode.com/problems/task-scheduler | Task Scheduler | Medium | 62.6% | 37.5% |
| 231 | https://leetcode.com/problems/power-of-two | Power of Two | Easy | 49.8% | 50.0% |
| 2342 | https://leetcode.com/problems/max-sum-of-a-pair-with-equal-sum-of-digits | Max Sum of a Pair With Equal Sum of Digits | Medium | 66.0% | 62.5% |
| 560 | https://leetcode.com/problems/subarray-sum-equals-k | Subarray Sum Equals K | Medium | 46.8% | 50.0% |
| 61 | https://leetcode.com/problems/rotate-list | Rotate List | Medium | 41.2% | 62.5% |
| 242 | https://leetcode.com/problems/valid-anagram | Valid Anagram | Easy | 67.8% | 50.0% |
| 82 | https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii | Remove Duplicates from Sorted List II | Medium | 51.3% | 37.5% |
| 141 | https://leetcode.com/problems/linked-list-cycle | Linked List Cycle | Easy | 53.9% | 37.5% |
| 179 | https://leetcode.com/problems/largest-number | Largest Number | Medium | 42.6% | 37.5% |
| 238 | https://leetcode.com/problems/product-of-array-except-self | Product of Array Except Self | Medium | 68.6% | 50.0% |
| 11 | https://leetcode.com/problems/container-with-most-water | Container With Most Water | Medium | 59.5% | 62.5% |
| 133 | https://leetcode.com/problems/clone-graph | Clone Graph | Medium | 64.7% | 37.5% |
| 739 | https://leetcode.com/problems/daily-temperatures | Daily Temperatures | Medium | 68.3% | 37.5% |
| 876 | https://leetcode.com/problems/middle-of-the-linked-list | Middle of the Linked List | Easy | 81.5% | 37.5% |
| 1353 | https://leetcode.com/problems/maximum-number-of-events-that-can-be-attended | Maximum Number of Events That Can Be Attended | Medium | 38.9% | 50.0% |
| 21 | https://leetcode.com/problems/merge-two-sorted-lists | Merge Two Sorted Lists | Easy | 67.9% | 37.5% |
| 347 | https://leetcode.com/problems/top-k-frequent-elements | Top K Frequent Elements | Medium | 65.8% | 50.0% |
| 387 | https://leetcode.com/problems/first-unique-character-in-a-string | First Unique Character in a String | Easy | 65.0% | 37.5% |
| 239 | https://leetcode.com/problems/sliding-window-maximum | Sliding Window Maximum | Hard | 48.4% | 50.0% |
| 143 | https://leetcode.com/problems/reorder-list | Reorder List | Medium | 64.6% | 37.5% |
| 1438 | https://leetcode.com/problems/longest-continuous-subarray-with-absolute-diff-less-than-or-equal-to-limit | Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit | Medium | 57.3% | 37.5% |
| 2433 | https://leetcode.com/problems/find-the-original-array-of-prefix-xor | Find The Original Array of Prefix Xor | Medium | 88.3% | 62.5% |
| 2270 | https://leetcode.com/problems/number-of-ways-to-split-array | Number of Ways to Split Array | Medium | 55.9% | 37.5% |
| 50 | https://leetcode.com/problems/powx-n | Pow(x, n) | Medium | 38.2% | 37.5% |
| 392 | https://leetcode.com/problems/is-subsequence | Is Subsequence | Easy | 48.8% | 37.5% |
| 1535 | https://leetcode.com/problems/find-the-winner-of-an-array-game | Find the Winner of an Array Game | Medium | 56.8% | 37.5% |
| 628 | https://leetcode.com/problems/maximum-product-of-three-numbers | Maximum Product of Three Numbers | Easy | 45.7% | 37.5% |
| 994 | https://leetcode.com/problems/rotting-oranges | Rotting Oranges | Medium | 58.1% | 50.0% |
| 69 | https://leetcode.com/problems/sqrtx | Sqrt(x) | Easy | 41.4% | 37.5% |
| 277 | https://leetcode.com/problems/find-the-celebrity | Find the Celebrity | Medium | 48.9% | 50.0% |
| 207 | https://leetcode.com/problems/course-schedule | Course Schedule | Medium | 50.8% | 50.0% |
| 300 | https://leetcode.com/problems/longest-increasing-subsequence | Longest Increasing Subsequence | Medium | 59.0% | 37.5% |
| 2502 | https://leetcode.com/problems/design-memory-allocator | Design Memory Allocator | Medium | 49.7% | 37.5% |
| 62 | https://leetcode.com/problems/unique-paths | Unique Paths | Medium | 66.5% | 37.5% |
| 1200 | https://leetcode.com/problems/minimum-absolute-difference | Minimum Absolute Difference | Easy | 75.0% | 50.0% |
| 71 | https://leetcode.com/problems/simplify-path | Simplify Path | Medium | 50.0% | 37.5% |
| 290 | https://leetcode.com/problems/word-pattern | Word Pattern | Easy | 43.8% | 37.5% |
| 218 | https://leetcode.com/problems/the-skyline-problem | The Skyline Problem | Hard | 45.0% | 37.5% |
| 658 | https://leetcode.com/problems/find-k-closest-elements | Find K Closest Elements | Medium | 49.4% | 37.5% |
| 155 | https://leetcode.com/problems/min-stack | Min Stack | Medium | 57.7% | 37.5% |
| 414 | https://leetcode.com/problems/third-maximum-number | Third Maximum Number | Easy | 38.8% | 37.5% |
| 394 | https://leetcode.com/problems/decode-string | Decode String | Medium | 62.2% | 37.5% |
| 4 | https://leetcode.com/problems/median-of-two-sorted-arrays | Median of Two Sorted Arrays | Hard | 45.9% | 37.5% |
| 806 | https://leetcode.com/problems/number-of-lines-to-write-string | Number of Lines To Write String | Easy | 72.1% | 37.5% |