| Minimum Number of Operations to Make X and Y Equal | Medium | 48.4% | 100.0% | Dynamic ProgrammingBreadth-First SearchMemoization |
| Best Time to Buy and Sell Stock | Easy | 56.4% | 75.0% | ArrayDynamic Programming |
| Maximum Good Subarray Sum | Medium | 21.4% | 75.0% | ArrayHash TablePrefix Sum |
| LRU Cache | Medium | 46.8% | 62.5% | Hash TableLinked ListDesign+1 |
| Container With Most Water | Medium | 59.5% | 62.5% | ArrayTwo PointersGreedy |
| Maximum Length of a Concatenated String with Unique Characters | Medium | 54.6% | 62.5% | ArrayStringBacktracking+1 |