| Longest Substring Without Repeating Characters | Medium | 38.5% | 83.5% |
| Subarray Sum Equals K | Medium | 46.8% | 79.8% |
| Permutation in String | Medium | 48.5% | 72.0% |
| Isomorphic Strings | Easy | 48.1% | 72.0% |
| Line Reflection | Medium | 36.3% | 71.1% |
| Two Sum | Easy | 57.1% | 70.2% |
| Find All Anagrams in a String | Medium | 53.3% | 69.2% |
| Find the Prefix Common Array of Two Arrays | Medium | 87.0% | 68.2% |
| Insert Delete GetRandom O(1) | Medium | 55.3% | 67.1% |
| Group Anagrams | Medium | 72.2% | 65.9% |
| Find Duplicate Subtrees | Medium | 60.6% | 58.8% |
| LRU Cache | Medium | 46.8% | 52.7% |
| Longest Substring with At Most K Distinct Characters | Medium | 49.9% | 50.1% |
| Count Substrings Without Repeating Character | Medium | 76.1% | 50.1% |
| Longest Repeating Character Replacement | Medium | 59.1% | 43.8% |
| Destination City | Easy | 79.5% | 43.8% |
| Intersection of Two Arrays | Easy | 77.5% | 39.5% |
| Minimum Window Substring | Hard | 47.0% | 34.2% |
| Intersection of Two Arrays II | Easy | 59.7% | 34.2% |
| Continuous Subarray Sum | Medium | 31.2% | 34.2% |
| Letter Combinations of a Phone Number | Medium | 65.5% | 34.2% |
| Design an Ordered Stream | Easy | 82.6% | 34.2% |
| Linked List Cycle | Easy | 53.9% | 34.2% |
| Subarrays with K Different Integers | Hard | 67.6% | 26.7% |
| Valid Anagram | Easy | 67.8% | 26.7% |
| Longest Substring with At Least K Repeating Characters | Medium | 46.1% | 26.7% |
| First Unique Character in a String | Easy | 65.1% | 26.7% |
| Merge Two 2D Arrays by Summing Values | Easy | 81.7% | 26.7% |
| Majority Element | Easy | 66.1% | 26.7% |
| Lowest Common Ancestor of a Binary Tree III | Medium | 82.9% | 26.7% |
| Cinema Seat Allocation | Medium | 43.6% | 26.7% |
| Find the Difference of Two Arrays | Easy | 81.3% | 26.7% |
| Find Common Elements Between Two Arrays | Easy | 84.4% | 26.7% |
| Subarray Sums Divisible by K | Medium | 56.1% | 26.7% |
| Jewels and Stones | Easy | 89.5% | 26.7% |
| Path Crossing | Easy | 62.6% | 26.7% |
| Top K Frequent Elements | Medium | 65.9% | 26.7% |
