25 problems
| ID | Problem | Difficulty | Accepted | Solved | Status |
|---|---|---|---|---|---|
| 3 | 레몬이 스니켓의 위험한 대결wall | Ruby V | 75% | 16 | Not tried |
| 4 | 레몬티처럼 달콤한 입술lamp | Diamond I | 69% | 9 | Not tried |
| 44 | 별별별star | Diamond I | 100% | 2 | Not tried |
| 100 | AND 최대화andmax | Diamond V | 50% | 2 | Not tried |
| 273 | READMEgraph-radius | Gold III | 77% | 12 | Not tried |
| 287 | tourist vs rainboytouristvsrainboy | Bronze I | 86% | 79 | Not tried |
| 374 | 확률성 정렬sort | Diamond V | 86% | 7 | Not tried |
| 431 | 플린드롬 만들기prefixpalindrome | Silver V | 82% | 54 | Not tried |
| 432 | 평면 찾기findplane | Gold V | 26% | 41 | Not tried |
| 433 | 볼록 격자 그래프 판별하기convexgrid | Gold V | 51% | 37 | Not tried |
| 434 | 트리 쪼개기treesplit | Gold V | 81% | 41 | Not tried |
| 435 | 카톡 읽기kakaoread | Platinum V | 56% | 31 | Not tried |
| 436 | 네모네모 해결하기nonogram | Platinum II | 40% | 28 | Not tried |
| 437 | DFS 트리 찾기backedgetree | Diamond IV | 6% | 4 | Not tried |
| 438 | MEX 점수 구하기mexscore | Diamond II | 13% | 9 | Not tried |
| 439 | 간선 소매넣기edgesmuggling | Diamond I | 10% | 4 | Not tried |
| 440 | 데이트date | Ruby V | 50% | 3 | Not tried |
| 461 | 탐사 기록explorationrecords | Unrated | 2% | 2 | Not tried |
| 580 | AI slopaislop | Bronze IV | 84% | 99 | Not tried |
| 581 | 레이팅 갱신ratingupdate | Bronze III | 95% | 92 | Not tried |
| 585 | All Falls Downallfallsdown | Platinum IV | 39% | 47 | Not tried |
| 620 | 퇴장 인사farewell | Silver II | 85% | 93 | Not tried |
| 627 | BCD 연산bcd | Bronze II | 93% | 56 | Not tried |
| 629 | 배수로 밀기multiplepositions | Gold V | 82% | 49 | Not tried |
| 641 | 연결 색칠coloring | Silver V | 66% | 43 | Not tried |
