| ID | 题目 显示标签 隐藏标签 | AC / 尝试 | 难度 | |
|---|---|---|---|---|
| 1870 | P2985 Another lottery | 0 / 0 | (无) | |
| 1871 | P2986 Ballot evaluation | 0 / 0 | (无) | |
| 1872 | P2987 Cyclic antimonotonic permutations | 0 / 0 | (无) | |
| 1873 | P2988 Dark roads | 0 / 0 | (无) | |
| 1874 | P2989 Elias gamma coding | 0 / 0 | (无) | |
| 1875 | P2990 Food portion size | 0 / 0 | (无) | |
| 1876 | P2991 Generate random numbers | 0 / 0 | (无) | |
| 1877 | P2992 Hotel booking | 0 / 0 | (无) |