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| 题目 | Random_chen | rising0312 | selia | sum |
| Educational Codeforces Round 94 | ||||
| C | ||||
| D | ||||
| E | ||||
| F | $\surd$ | $\surd$ | ||
| G | ||||
| Codeforces Round #665 (Div. 2) | $\surd$ | |||
| C | $\surd$ | $\surd$ | ||
| D | $\surd$ | $\surd$ | ||
| E | $\surd$ | $\surd$ | ||
| F | $\surd$ | $\surd$ | ||
| Codeforces Global Round 10 | ||||
| A | $\surd$ | $\surd$ | ||
| B | $\surd$ | $\surd$ | ||
| C | $\surd$ | $\surd$ | ||
| D | $\surd$ | $\surd$ | ||
| E | $\surd$ | $\surd$ | ||
| F | $\surd$ | $\surd$ | ||
| G | ||||
| H | ||||
| I | ||||
| Educational Codeforces Round 93 | ||||
| C | $\surd$ | $\surd$ | $\surd$ | |
| D | $\surd$ | $\surd$ | $\surd$ | |
| E | $\surd$ | $\surd$ | $\surd$ | |
| F | $\surd$ | $\surd$ | ||
| G | ||||
| Codeforces Round #664 (Div. 1) | ||||
| A | $\surd$ | $\surd$ | ||
| B | $\surd$ | $\surd$ | ||
| C | ||||
| D | $\surd$ | $\surd$ | ||
| E | ||||
| Codeforces Round #664 (Div. 2) | $\surd$ | |||
| C | $\surd$ | $\surd$ | $\surd$ | |
| Codeforces Round #663 (Div. 2) | ||||
| C | $\surd$ | $\surd$ | $\surd$ | |
| D | $\surd$ | $\surd$ | ||
| E | ||||
| Codeforces Round #662 (Div. 2) | $\surd$ | |||
| C | $\surd$ | $\surd$ | ||
| D | $\surd$ | $\surd$ | ||
| E1 | $\surd$ | $\surd$ | ||
| E2 | $\surd$ | $\surd$ | ||
| Codeforces Round #660 (Div. 2) | ||||
| C | $\surd$ | $\surd$ | $\surd$ | |
| D | $\surd$ | $\surd$ | ||
| E | ||||
| Educational Codeforces Round 92 | ||||
| C | $\surd$ | $\surd$ | ||
| D | $\surd$ | $\surd$ | ||
| E | $\surd$ | $\surd$ | ||
| F | $\surd$ | $\surd$ | ||
| G | ||||
| Codeforces Round #659 (Div. 1) | ||||
| A | $\surd$ | $\surd$ | ||
| B | $\surd$ | $\surd$ | ||
| C | $\surd$ | $\surd$ | ||
| D | $\surd$ | $\surd$ | ||
| E | $\surd$ | $\surd$ | ||
| F | ||||
| Codeforces Round #658 (Div. 1) | ||||
| A1 | $\surd$ | $\surd$ | ||
| A2 | $\surd$ | $\surd$ | ||
| B | $\surd$ | $\surd$ | ||
| C | $\surd$ | $\surd$ | ||
| D | ||||
| E | ||||
| Codeforces Round #657 (Div. 2) | $\surd$ | |||
| A | $\surd$ | $\surd$ | $\surd$ | |
| B | $\surd$ | $\surd$ | $\surd$ | |
| C | $\surd$ | $\surd$ | $\surd$ | |
| D | $\surd$ | $\surd$ | ||
| E | $\surd$ | $\surd$ | ||
| F1 | $\surd$ | $\surd$ | ||
| F2 | $\surd$ | $\surd$ | ||
| Educational Codeforces Round 91 | $\surd$ | |||
| C | $\surd$ | $\surd$ | ||
| D | $\surd$ | $\surd$ | ||
| E | $\surd$ | $\surd$ | $\surd$ | |
| F | $\surd$ | $\surd$ | ||
| G | $\surd$ | $\surd$ | ||
| Codeforces Round #655 (Div. 2) | $\surd$ | |||
| A | $\surd$ | $\surd$ | $\surd$ | |
| B | $\surd$ | $\surd$ | $\surd$ | |
| C | $\surd$ | $\surd$ | $\surd$ | |
| D | $\surd$ | $\surd$ | $\surd$ | |
| E | $\surd$ | $\surd$ | ||
| F | $\surd$ | $\surd$ | ||