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| # | Problem | Difficulty | Acceptance | Solved | Status |
|---|---|---|---|---|---|
| A | 택 뭉 볃교xorandquery | Platinum I | 20% | 8 | Opens after virtual start |
| B | 나머지 최소화minimal-remainder | Silver I | 74% | 27 | Opens after virtual start |
| C | 문제아troublemaker | Gold II | 76% | 17 | Opens after virtual start |
| D | 무기 강화weapon-upgrade | Gold I | 42% | 15 | Opens after virtual start |
| E | Teto and histogramteto-and-histogram | Platinum II | 37% | 14 | Opens after virtual start |
| F | 포탈맨portal-man | Diamond IV | 27% | 9 | Opens after virtual start |
| G | Friendly Graphsfriendlygraphs | Platinum IV | 79% | 20 | Opens after virtual start |
| H | Sequence and Enough Queriesenough-query | Platinum II | 48% | 12 | Opens after virtual start |
| I | Lemon Tree 2lemontree2 | Platinum II | 71% | 12 | Opens after virtual start |
| J | 경곽이의 시험공부examstudy | Silver II | 85% | 29 | Opens after virtual start |
| K | 반전 트리reversal-tree | Platinum I | 50% | 9 | Opens after virtual start |
| L | 주문맨orderman | Silver II | 71% | 23 | Opens after virtual start |
| M | 박해수의시원동태탕 송죽본점dongtaetang | Gold II | 67% | 21 | Opens after virtual start |
