| 18194 | Bad Hair Day와 기댓값 | 0 | 0 | 0 |
| 19165 | Addition Robot | 0 | 0 | 0 |
| 19228 | Key Storage | 0 | 0 | 0 |
| 19544 | 함수 복원 | 0 | 0 | 0 |
| 19845 | 넴모넴모 2020 | 0 | 0 | 0 |
| 20039 | Coronavirus Trend | 0 | 0 | 0 |
| 20045 | Trading System | 0 | 0 | 0 |
| 20177 | Stock Analysis | 0 | 0 | 0 |
| 20220 | Human Pyramid | 0 | 0 | 0 |
| 20648 | Rectangular Pasture | 0 | 0 | 0 |
| 20967 | Uddered but not Herd | 0 | 0 | 0 |
| 21361 | Robotdammsugaren | 0 | 0 | 0 |
| 23198 | Opportunity Cost | 0 | 0 | 0 |
| 23240 | Colorful Tower of Hanoi | 0 | 0 | 0 |
| 23245 | Similarity | 0 | 0 | 0 |
| 23249 | Triangles | 0 | 0 | 0 |
| 23774 | Heating Up | 0 | 0 | 0 |
| 24546 | 놀이기구에 진심인 편 | 0 | 0 | 0 |
| 24659 | Game with Balls and Boxes | 0 | 0 | 0 |
| 25236 | Triangular Logs | 0 | 0 | 0 |