| ID | 题目 显示标签 隐藏标签 | AC / 尝试 | 难度 | |
|---|---|---|---|---|
| 16 | AT1917 A - Find Multiple | 8 / 15 | 7 | |
| 17 | AT1918 B - Base K | 7 / 16 | 8 | |
| 18 | AT1919 C - Long Sequence | 8 / 58 | 8 | |
| 20 | AT1920 D - FG operation | 0 / 0 | (无) | |
| 21 | AT1921 E - Distance on Large Perfect Binary Tree | 1 / 1 | 10 | |
| 22 | AT1922 F - Distance Sums 2 | 1 / 2 | 10 | |
| 23 | AT1923 G - Isosceles Trapezium | 1 / 9 | 10 | |
| 24 | AT1924 H - Security Camera | 1 / 4 | 10 |