DSA · 12 problems
Problems.
Curated DSA challenges. Submit in 6 languages, executed on isolated VPS. Earn points, climb the board.
Total
12
Easy
4
Medium
4
Hard
4
| St. | Title | Difficulty | Tags | Acceptance | Pts |
|---|---|---|---|---|---|
| 1. Two Sum | Easy | arrayhash | 78% | 10 | |
| 2. Valid Parentheses | Easy | stackstring | 64% | 10 | |
| 3. Longest Substring Without Repeating Characters | Medium | sliding-windowhash | 38% | 25 | |
| 4. Median of Two Sorted Arrays | Hard | binary-searcharray | 22% | 50 | |
| 5. LRU Cache | Medium | linked-listhashdesign | 41% | 25 | |
| 6. Climbing Stairs | Easy | dpmemo | 52% | 10 | |
| 7. Word Ladder | Hard | bfsgraph | 36% | 50 | |
| 8. Course Schedule II | Medium | topo-sortgraph | 47% | 25 | |
| 9. Serialize and Deserialize Binary Tree | Hard | treedesign | 30% | 50 | |
| 10. Trapping Rain Water | Hard | two-pointerstackdp | 27% | 50 | |
| 11. Merge Intervals | Medium | arraysorting | 55% | 25 | |
| 12. House Robber | Easy | dp | 61% | 10 |