| 5472 | Consanguine Calculations | 未定级 | | | | | | | |
| 5473 | Crossing the Desert | 未定级 | | | | | | | |
| 5474 | Air Conditioning Machinery | 未定级 | | | | | | | |
| 5475 | A Linking Loader | 未定级 | | | | | | | |
| 5476 | The Ministers' Major Mess | 未定级 | | | | | | | |
| 5477 | A Dicey Problem | 未定级 | | | | | | | |
| 5478 | To Add or to Multiply | 未定级 | | | | | | | |
| 5479 | Tiling the Plane | 未定级 | | | | | | | |
| 5480 | Castles | 未定级 | | | | | | | |
| 5481 | Bus Tour | 未定级 | | | | | | | |
| 5482 | Balloons in a Box | 未定级 | | | | | | | |
| 5483 | The Traveling Judges Problem | 未定级 | | | | | | | |
| 5484 | A Major Problem | 未定级 | | | | | | | |
| 5485 | Pyramids | 未定级 | | | | | | | |
| 5486 | According to Bartjens | 未定级 | | | | | | | |
| 5487 | Partitions | 未定级 | | | | | | | |
| 5488 | Eurodiffusion | 未定级 | | | | | | | |
| 5489 | Collecting Luggage | 未定级 | | | | | | | |
| 5490 | 【模板】快速排序 | 未定级 | | | | | | | |
| 5543 | 小玉家的电费 | 未定级 | | | | | | | |
| 5808 | 螺旋方阵 | 未定级 | | | | | | | |
| 5809 | 螺旋方阵2 | 未定级 | | | | | | | |
| 6000 | 求 N!的值 | 未定级 | | | | | | | |
| 6002 | 求 n 累加和 | 未定级 | | | | | | | |
| 6003 | 阶乘和 | 未定级 | | | | | | | |
| 6005 | 天使的起誓 | 未定级 | | | | | | | |
| 6006 | Hanoi 双塔问题(NOIP2007) | 未定级 | | | | | | | |
| 6007 | 例1.5 高精除高精 | 未定级 | | | | | | | |
| 6008 | 例1.6 回文数(NOIP1999) | 未定级 | | | | | | | |
| 6009 | 明明的随机数(NOIP2006) | 未定级 | | | | | | | |
| 6011 | 众数 | 未定级 | | | | | | | |
| 6013 | 军事机密 | 未定级 | | | | | | | |
| 6016 | 输油管道问题 | 未定级 | | | | | | | |
| 6017 | 士兵站队问题 | 未定级 | | | | | | | |
| 6019 | 兔子繁殖 | 未定级 | | | | | | | |
| 6020 | 平面分割 | 未定级 | | | | | | | |
| 6021 | 骨牌铺法 | 未定级 | | | | | | | |
| 6022 | 蜜蜂路线 | 未定级 | | | | | | | |
| 6023 | 极值问题 | 未定级 | | | | | | | |
| 6024 | 火车站(NOIP1998) | 未定级 | | | | | | | |
| 6025 | 例3.1 数塔问题 | 未定级 | | | | | | | |
| 6026 | 例3.4 昆虫繁殖 | 未定级 | | | | | | | |
| 6027 | 例3.5 位数问题 | 未定级 | | | | | | | |
| 6028 | 例3.6 过河卒(NOIP2002) | 未定级 | | | | | | | |
| 6029 | 例3.7 邮票问题 | 未定级 | | | | | | | |
| 6031 | 倒序数 | 未定级 | | | | | | | |
| 6032 | 十进制转换成八进制 | 未定级 | | | | | | | |
| 6033 | 求 N!的值 | 未定级 | | | | | | | |
| 6034 | 求最大公约数 | 未定级 | | | | | | | |
| 6035 | 双色Hanoi塔问题 | 未定级 | | | | | | | |