| Problem ID | Title | Source/Category | AC | Submit | |
| 2650 Problem A | 桶计数练习-彩虹糖1 | 基础B | 8 | 9 | |
| 2652 Problem B | 桶计数练习-彩虹糖3 | 基础B | 7 | 7 | |
| 2654 Problem C | 桶计数练习-彩虹糖5 | 基础B | 6 | 7 | |
| 2580 Problem D | 桶计数-乌鸦喝水 | 基础B | 7 | 8 | |
| 2550 Problem E | 找出现次数最多的数练习 | 基础A | 7 | 11 | |
| 2551 Problem F | 找出现次数最多最少的数之和练习 | 基础A | 6 | 8 | |
| 2552 Problem G | 找出现次数最多数字的位置练习 | 基础A | 3 | 6 |