| 题目 | Rchen | rising0312 | selia | sum |
| AtCoder Beginner Contest 177 |
| D | | | | |
| E | | | | |
| F | | | | |
| AtCoder Beginner Contest 176 |
| D | | | $\surd$ | $\surd$ |
| E | | | $\surd$ | $\surd$ |
| F | | | | |
| AtCoder Beginner Contest 175 | $\surd$ |
| D | | | $\surd$ | $\surd$ |
| E | | | $\surd$ | $\surd$ |
| F | $\surd$ | | | $\surd$ |
| AtCoder Grand Contest 047 |
| B | | | $\surd$ | $\surd$ |
| C | $\surd$ | | | $\surd$ |
| D | $\surd$ | | | $\surd$ |
| E | $\surd$ | | | $\surd$ |
| F | | | | |
| AtCoder Beginner Contest 174 | $\surd$ |
| D | | | $\surd$ | $\surd$ |
| E | | $\surd$ | $\surd$ | $\surd$ |
| F | | $\surd$ | $\surd$ | $\surd$ |
| M-SOLUTIONS Programming Contest 2020 | $\surd$ |
| D | | | $\surd$ | $\surd$ |
| E | $\surd$ | | | $\surd$ |
| F | $\surd$ | | | $\surd$ |
| AIsing Programming Contest 2020 | $\surd$ |
| D | $\surd$ | | | $\surd$ |
| E | $\surd$ | | $\surd$ | $\surd$ |
| F | $\surd$ | | | $\surd$ |