25 problems
| ID | Problem | Difficulty | Accepted | Solved | Status |
|---|---|---|---|---|---|
| 5 | 레몬 경로bfs | Gold I | 38% | 26 | Not tried |
| 7 | 레몬컵 문제 배치하기flip | Diamond II | 56% | 7 | Not tried |
| 19 | 트리와 쿼리treequery | Diamond IV | 75% | 3 | Not tried |
| 66 | 3SUM3sum | Platinum IV | 30% | 18 | Not tried |
| 93 | 수열과 쿼리 67seqquery67 | Silver III | 38% | 23 | Not tried |
| 96 | 🟦🟩🟩 🟦🟦🟩 🟦🟦🟩emoji | Unrated | 41% | 19 | Not tried |
| 113 | 그래프 복원restore | Platinum V | 100% | 1 | Not tried |
| 165 | 알록달록한 트리tree | Platinum III | 50% | 20 | Not tried |
| 254 | 따오제 야호~!⭐yaho | Bronze V | 91% | 80 | Not tried |
| 255 | 무한문자열infinite-string | Silver V | 90% | 55 | Not tried |
| 256 | 빠르게 계산하기fast-calculate | Platinum V | 49% | 36 | Not tried |
| 257 | N개의 방n-rooms | Platinum V | 37% | 31 | Not tried |
| 258 | ABABabab | Platinum III | 50% | 38 | Not tried |
| 259 | 최소둘레 삼각형min-perimeter-triangle | Platinum I | 41% | 23 | Not tried |
| 260 | 겹치는 구간overlap | Platinum III | 38% | 20 | Not tried |
| 261 | ABABABababab | Diamond IV | 17% | 11 | Not tried |
| 262 | X 만들기makex | Diamond III | 10% | 7 | Not tried |
| 275 | 트리 뽑아내기treepop | Platinum III | 36% | 7 | Not tried |
| 367 | 외판원 다다스trip | Gold V | 60% | 37 | Not tried |
| 470 | 반전 트리reversal-tree | Platinum I | 50% | 9 | Not tried |
| 471 | Lemon Tree 2lemontree2 | Platinum II | 71% | 12 | Not tried |
| 476 | 포탈맨portal-man | Diamond IV | 27% | 9 | Not tried |
| 626 | 슉슉 잇기equalpathcover | Diamond IV | 21% | 6 | Not tried |
| 639 | BCD는 난이도 순서에 인버전이 없으면 진행이 안되는가placement | Gold IV | 46% | 35 | Not tried |
| 644 | Magic Contestmagiccontest | Platinum II | 6% | 17 | Not tried |