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| # | Problem | Difficulty | Acceptance | Solved | Status |
|---|---|---|---|---|---|
| A | Array and Counting 1arraycount1 | Bronze II | 83% | 75 | Opens after virtual start |
| B | 크리스티아누 호날두ronaldo | Gold IV | 47% | 30 | Opens after virtual start |
| C | Parity Sortparitysort | Silver II | 79% | 29 | Opens after virtual start |
| D | Array and Counting 2arraycount2 | Platinum V | 51% | 41 | Opens after virtual start |
| E | Reflected Lightreflect | Platinum V | 80% | 37 | Opens after virtual start |
| F | 귀가 장치teleport | Gold V | 65% | 28 | Opens after virtual start |
| G | Making a Monochrome Stringmonochrome | Platinum IV | 30% | 21 | Opens after virtual start |
| H | Array and Counting 3arraycount3 | Platinum II | 40% | 25 | Opens after virtual start |
| I | Array and Counting 4arraycount4 | Unrated | 20% | 4 | Opens after virtual start |
