BitGo
13 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 2060. Check if an Original String Exists Given Two Encoded Strings | Hard | 100% | TopicsStringDynamic Programming |
| 200. Number of Islands | Medium | 89% | TopicsArrayDepth-First SearchBreadth-First SearchUnion-FindMatrix |
| 134. Gas Station | Medium | 83.7% | TopicsArrayGreedy |
| 146. LRU Cache | Medium | 83.7% | TopicsHash TableLinked ListDesignDoubly-Linked List |
| 815. Bus Routes | Hard | 77% | TopicsArrayHash TableBreadth-First Search |
| 5. Longest Palindromic Substring | Medium | 77% | TopicsTwo PointersStringDynamic ProgrammingManacher |
| Longest Substring with At Most K Distinct Characters | Medium | 67.5% | TopicsHash TableStringSliding Window |
| 42. Trapping Rain Water | Hard | 67.5% | TopicsArrayTwo PointersDynamic ProgrammingStackMonotonic Stack |
| Lowest Common Ancestor of a Binary Tree | Medium | 67.5% | TopicsTreeDepth-First SearchBinary TreeBinary LiftingLowest Common Ancestor |
| 84. Largest Rectangle in Histogram | Hard | 67.5% | TopicsArrayStackMonotonic StackRange Minimum/Maximum Query |
| 207. Course Schedule | Medium | 67.5% | TopicsDepth-First SearchBreadth-First SearchGraph TheoryTopological SortDirected Acyclic Graph |
| 3. Longest Substring Without Repeating Characters | Medium | 67.5% | TopicsHash TableStringSliding Window |
| Longest Consecutive Sequence | Medium | 67.5% | TopicsArrayHash TableUnion-Find |
