| ID | 题目 显示标签 隐藏标签 | AC / 尝试 | 难度 | |
|---|---|---|---|---|
| 2021 | P3020 Antenna Placement | 1 / 5 | 10 | |
| 2022 | P3021 e-Coins | 1 / 2 | 10 | |
| 2023 | P3022 The Uxuhul Voting System | 0 / 0 | (无) | |
| 2024 | P3023 Submarines | 0 / 0 | (无) | |
| 2025 | P3024 The Gossiping System | 0 / 0 | (无) | |
| 2026 | P3025 Rings | 0 / 0 | (无) | |
| 2027 | P3026 Borg Maze | 1 / 2 | 10 | |
| 2028 | P3027 Base equality | 1 / 2 | 10 |