HPE
3 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 39. Combination Sum | Medium | 100% | TopicsArrayBacktracking |
| 70. Climbing Stairs | Easy | 100% | TopicsMathDynamic ProgrammingMemoization |
| 2530. Maximal Score After Applying K Operations | Medium | 100% | TopicsArrayGreedyHeap (Priority Queue) |
