5 problems
| ID | Problem | Difficulty | Accepted | Solved | Status |
|---|---|---|---|---|---|
| 101 | 구간 다양도distinctintervalvalue | Silver IV | 81% | 14 | Not tried |
| 223 | zzzzzz just use creamcream | Unrated | 0% | 0 | Not tried |
| 470 | 반전 트리reversal-tree | Platinum I | 50% | 9 | Not tried |
| 473 | 박해수의시원동태탕 송죽본점dongtaetang | Gold II | 67% | 21 | Not tried |
| 476 | 포탈맨portal-man | Diamond IV | 27% | 9 | Not tried |
