| Problem ID | Title | Source/Category | AC | Submit | |
| 3924 Problem A | 统计字符的个数 | 循环 字典 | 10 | 50 | |
| 4029 Problem B | 组合数的生成 | 枚举 递归 | 3 | 27 | |
| 4015 Problem C | 合并果子 | 基本算法-贪心算法 | 5 | 21 | |
| 4126 Problem D | USACO 2017 US Open Contest, Bronze Problem 1. The Lost Cow | USACO Bronze | 4 | 35 | |
| 4181 Problem E | 合并数字(Combined Numbers) | 24 | 28 |