| ID | 题目 显示标签 隐藏标签 | AC / 尝试 | 难度 | |
|---|---|---|---|---|
| 803 | P1802 Ancient Plates | 0 / 0 | (无) | |
| 804 | P1803 Box Art | 0 / 0 | (无) | |
| 805 | P1804 Brainman | 1 / 1 | 10 | |
| 806 | P1805 Friends | 1 / 2 | 10 | |
| 807 | P1806 Manhattan 2025 | 0 / 0 | (无) | |
| 808 | P1807 Mayan Dates | 0 / 0 | (无) | |
| 809 | P1808 Quadratic Residues | 0 / 0 | (无) | |
| 810 | P1809 Regetni | 0 / 3 | 10 |