| ID | 题目 显示标签 隐藏标签 | AC / 尝试 | 难度 | |
|---|---|---|---|---|
| 4218 | NOI20091A 变换序列 | 0 / 0 | (无) | |
| 4223 | NOI20091B [NOI2009] 诗人小G | 0 / 0 | (无) | |
| 4224 | NOI20091C 二叉查找树 | 0 / 0 | (无) | |
| 4214 | NOI20092A [NOI2009] 植物大战僵尸 | 0 / 0 | (无) | |
| 4215 | NOI20092B 管道取珠 | 0 / 0 | (无) | |
| 4217 | NOI20092C 描边 | 0 / 0 | (无) | |
| 439 | P1024 [SCOI2009]生日快乐 | 0 / 0 | (无) | |
| 440 | P1025 [SCOI2009]游戏 | 0 / 0 | (无) | |
| 442 | P1026 [SCOI2009]windy数 | 0 / 0 | (无) | |
| 4844 | P1072 [NOIP2009 提高组] Hankson 的趣味题 | 2 / 3 | 10 | |
| 1406 | P1115 [POI2009]石子游戏Kam | 0 / 0 | (无) | |
| 1645 | P1117 [POI2009]救火站Gas | 0 / 0 | (无) | |
| 1648 | P1119 [POI2009]SLO | 0 / 0 | (无) | |
| 1664 | P1120 [POI2009]STR | 0 / 0 | (无) | |
| 1745 | P1134 [POI2009]Wys 三角形岛 | 0 / 0 | (无) | |
| 1748 | P1135 [POI2009]Lyz | 0 / 0 | (无) | |
| 1750 | P1136 [POI2009]Arc | 0 / 0 | (无) | |
| 1752 | P1137 [POI2009]Wsp 岛屿 | 0 / 0 | (无) | |
| 1756 | P1138 [POI2009]Baj 最短回文路 | 0 / 0 | (无) | |
| 1758 | P1139 [POI2009]Wie | 0 / 0 | (无) |