| Problem ID | Title | Source/Category | AC | Submit | |
| 1121 Problem A | 走楼梯(stairs) | 递推 | 16 | 26 | |
| 1122 Problem B | 兔子繁殖(rabbit) | 递推 | 13 | 31 | |
| 1123 Problem C | 平面分割(surface) | 递推 | 5 | 7 | |
| 1124 Problem D | 骨牌铺法(domino) | 递推 | 8 | 28 | |
| 1125 Problem E | 蜜蜂路线(bee) | 递推 | 11 | 14 | |
| 1126 Problem F | 极值问题(acme) | 递推 | 3 | 5 | |
| 1127 Problem G | 火车站 | 递推 | 3 | 13 |