| ID | 题目 显示标签 隐藏标签 | AC / 尝试 | 难度 | |
|---|---|---|---|---|
| 20 | P1019 New Tortoise and the Hare | 0 / 0 | (无) | |
| 21 | P1020 The Funny Number | 0 / 0 | (无) | |
| 22 | P1021 The Area of a Sector | 0 / 0 | (无) | |
| 23 | P1022 Count Different Numbers I | 0 / 0 | (无) | |
| 24 | P1023 Count Different Numbers II | 0 / 0 | (无) | |
| 25 | P1024 The Smallest Floor Tile | 0 / 0 | (无) |