| 9 | https://leetcode.com/problems/palindrome-number | Palindrome Number | Easy | 60.2% | 50.0% |
| 20 | https://leetcode.com/problems/valid-parentheses | Valid Parentheses | Easy | 43.7% | 75.0% |
| 24 | https://leetcode.com/problems/swap-nodes-in-pairs | Swap Nodes in Pairs | Medium | 68.9% | 62.5% |
| 48 | https://leetcode.com/problems/rotate-image | Rotate Image | Medium | 79.3% | 75.0% |
| 70 | https://leetcode.com/problems/climbing-stairs | Climbing Stairs | Easy | 53.9% | 62.5% |
| 1183 | https://leetcode.com/problems/maximum-number-of-ones | Maximum Number of Ones | Hard | 70.5% | 100.0% |
| 146 | https://leetcode.com/problems/lru-cache | LRU Cache | Medium | 46.8% | 62.5% |
| 191 | https://leetcode.com/problems/number-of-1-bits | Number of 1 Bits | Easy | 76.3% | 50.0% |
| 206 | https://leetcode.com/problems/reverse-linked-list | Reverse Linked List | Easy | 80.2% | 87.5% |
| 231 | https://leetcode.com/problems/power-of-two | Power of Two | Easy | 49.8% | 75.0% |
| 3163 | https://leetcode.com/problems/string-compression-iii | String Compression III | Medium | 67.0% | 100.0% |
| 297 | https://leetcode.com/problems/serialize-and-deserialize-binary-tree | Serialize and Deserialize Binary Tree | Hard | 60.3% | 50.0% |
| 2502 | https://leetcode.com/problems/design-memory-allocator | Design Memory Allocator | Medium | 49.7% | 50.0% |
| 876 | https://leetcode.com/problems/middle-of-the-linked-list | Middle of the Linked List | Easy | 81.5% | 75.0% |
| 190 | https://leetcode.com/problems/reverse-bits | Reverse Bits | Easy | 67.7% | 75.0% |
| 58 | https://leetcode.com/problems/length-of-last-word | Length of Last Word | Easy | 58.3% | 50.0% |
| 26 | https://leetcode.com/problems/remove-duplicates-from-sorted-array | Remove Duplicates from Sorted Array | Easy | 62.2% | 50.0% |
| 200 | https://leetcode.com/problems/number-of-islands | Number of Islands | Medium | 63.8% | 75.0% |
| 232 | https://leetcode.com/problems/implement-queue-using-stacks | Implement Queue using Stacks | Easy | 69.3% | 62.5% |
| 407 | https://leetcode.com/problems/trapping-rain-water-ii | Trapping Rain Water II | Hard | 64.0% | 50.0% |
| 19 | https://leetcode.com/problems/remove-nth-node-from-end-of-list | Remove Nth Node From End of List | Medium | 51.0% | 75.0% |
| 50 | https://leetcode.com/problems/powx-n | Pow(x, n) | Medium | 38.2% | 62.5% |
| 1 | https://leetcode.com/problems/two-sum | Two Sum | Easy | 57.1% | 75.0% |
| 104 | https://leetcode.com/problems/maximum-depth-of-binary-tree | Maximum Depth of Binary Tree | Easy | 77.9% | 50.0% |
| 7 | https://leetcode.com/problems/reverse-integer | Reverse Integer | Medium | 31.5% | 50.0% |
| 210 | https://leetcode.com/problems/course-schedule-ii | Course Schedule II | Medium | 55.0% | 50.0% |
| 8 | https://leetcode.com/problems/string-to-integer-atoi | String to Integer (atoi) | Medium | 20.6% | 50.0% |
| 392 | https://leetcode.com/problems/is-subsequence | Is Subsequence | Easy | 48.8% | 50.0% |
| 836 | https://leetcode.com/problems/rectangle-overlap | Rectangle Overlap | Easy | 46.4% | 62.5% |
| 46 | https://leetcode.com/problems/permutations | Permutations | Medium | 81.6% | 50.0% |
| 342 | https://leetcode.com/problems/power-of-four | Power of Four | Easy | 51.7% | 50.0% |
| 88 | https://leetcode.com/problems/merge-sorted-array | Merge Sorted Array | Easy | 54.4% | 62.5% |
| 3 | https://leetcode.com/problems/longest-substring-without-repeating-characters | Longest Substring Without Repeating Characters | Medium | 38.5% | 75.0% |
| 387 | https://leetcode.com/problems/first-unique-character-in-a-string | First Unique Character in a String | Easy | 65.0% | 50.0% |
| 169 | https://leetcode.com/problems/majority-element | Majority Element | Easy | 66.1% | 62.5% |
| 622 | https://leetcode.com/problems/design-circular-queue | Design Circular Queue | Medium | 54.0% | 50.0% |
| 136 | https://leetcode.com/problems/single-number | Single Number | Easy | 77.3% | 50.0% |
| 141 | https://leetcode.com/problems/linked-list-cycle | Linked List Cycle | Easy | 53.9% | 62.5% |
| 2563 | https://leetcode.com/problems/count-the-number-of-fair-pairs | Count the Number of Fair Pairs | Medium | 52.7% | 62.5% |
| 215 | https://leetcode.com/problems/kth-largest-element-in-an-array | Kth Largest Element in an Array | Medium | 68.8% | 62.5% |
| 42 | https://leetcode.com/problems/trapping-rain-water | Trapping Rain Water | Hard | 66.8% | 50.0% |
| 56 | https://leetcode.com/problems/merge-intervals | Merge Intervals | Medium | 51.1% | 50.0% |
| 2183 | https://leetcode.com/problems/count-array-pairs-divisible-by-k | Count Array Pairs Divisible by K | Hard | 30.5% | 62.5% |
| 560 | https://leetcode.com/problems/subarray-sum-equals-k | Subarray Sum Equals K | Medium | 46.8% | 50.0% |
| 344 | https://leetcode.com/problems/reverse-string | Reverse String | Easy | 80.5% | 62.5% |
| 4 | https://leetcode.com/problems/median-of-two-sorted-arrays | Median of Two Sorted Arrays | Hard | 45.9% | 50.0% |
| 283 | https://leetcode.com/problems/move-zeroes | Move Zeroes | Easy | 63.5% | 75.0% |
| 72 | https://leetcode.com/problems/edit-distance | Edit Distance | Medium | 60.1% | 50.0% |
| 28 | https://leetcode.com/problems/find-the-index-of-the-first-occurrence-in-a-string | Find the Index of the First Occurrence in a String | Easy | 46.2% | 50.0% |
| 15 | https://leetcode.com/problems/3sum | 3Sum | Medium | 38.6% | 75.0% |
| 25 | https://leetcode.com/problems/reverse-nodes-in-k-group | Reverse Nodes in k-Group | Hard | 65.3% | 62.5% |
| 22 | https://leetcode.com/problems/generate-parentheses | Generate Parentheses | Medium | 78.2% | 50.0% |
| 225 | https://leetcode.com/problems/implement-stack-using-queues | Implement Stack using Queues | Easy | 69.3% | 50.0% |
| 1163 | https://leetcode.com/problems/last-substring-in-lexicographical-order | Last Substring in Lexicographical Order | Hard | 35.0% | 50.0% |
| 23 | https://leetcode.com/problems/merge-k-sorted-lists | Merge k Sorted Lists | Hard | 58.8% | 50.0% |
| 11 | https://leetcode.com/problems/container-with-most-water | Container With Most Water | Medium | 59.5% | 50.0% |