| ID | 题目 显示标签 隐藏标签 | AC / 尝试 | 难度 | |
|---|---|---|---|---|
| 64 | AT1957 A - Distinct Strings | 8 / 18 | 7 | |
| 65 | AT1958 B - Star or Not | 8 / 19 | 7 | |
| 66 | AT1959 C - Calendar Validator | 8 / 29 | 7 | |
| 70 | AT1961 E - 7 | 1 / 1 | 10 | |
| 71 | AT1962 F - String Cards | 1 / 1 | 10 | |
| 72 | AT1963 G - X | 1 / 1 | 10 | |
| 73 | AT1964 H - Social Distance 2 | 1 / 1 | 10 |