| ID | 题目 显示标签 隐藏标签 | AC / 尝试 | 难度 |
|---|
| 4344 | IOI2001lxA Binary codes (a back-up task) | 0 / 0 | (无) | |
| 4345 | IOI2001lxB Boxes (a demo task) | 0 / 0 | (无) | |
| 4346 | IOI2001lxC Break (a demo task) | 0 / 0 | (无) | |
| 4347 | IOI2001lxD Depot (a competition task) | 0 / 0 | (无) | |
| 4350 | IOI2001lxE 2.5Double crypt (a competition task) | 0 / 0 | (无) | |
| 4352 | IOI2001lxF Ioiwari (a competition task) | 0 / 0 | (无) | |
| 4366 | IOI2001lxG Mobiles (a competition task) | 0 / 0 | (无) | |
| 4336 | IOI2002B Red Devil | 0 / 0 | (无) | |
| 4332 | IOI2002lxA Number of Distinct Values | 0 / 0 | (无) | |
| 4337 | IOI2002lxC String from Substrings | 0 / 0 | (无) | |
| 4464 | IOI19991A HIDDEN CODES | 0 / 0 | (无) | |
| 4465 | IOI19991B LITTLE SHOP OF FLOWERS | 0 / 0 | (无) | |
| 4466 | IOI19991C UNDERGROUND CITY | 0 / 0 | (无) | |
| 4467 | IOI19992A FLATTEN | 0 / 0 | (无) | |
| 4468 | IOI19992B A STRIP OF LAND | 0 / 0 | (无) | |
| 4469 | IOI19992C TRAFFIC LIGHTS | 0 / 0 | (无) | |
| 4375 | IOI20001A 回文词 | 0 / 2 | 10 | |
| 4376 | IOI20001B 车辆停放 | 0 / 0 | (无) | |
| 4377 | IOI20001C 中等硬度 | 0 / 0 | (无) | |
| 4378 | IOI20002A 邮局 | 0 / 0 | (无) |
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