YSA 程序学习中级测试题
完成6题及以上则认为已达成YSA中级评价
| Problem ID | Title | Source/Category | AC | Submit | |
| 4056 Problem A | 表达式括号匹配 | 栈 | 1 | 15 | |
| 4191 Problem B | 选择客栈 | 栈 | 0 | 0 | |
| 4060 Problem C | 奇怪的电梯 | 队列 | 0 | 0 | |
| 4174 Problem D | 寻找独一无二的数 | 位运算 | 0 | 0 | |
| 4049 Problem E | 自然数的拆分问题 | 深度优先搜索 递归 回溯 | 0 | 0 | |
| 3934 Problem F | CCC18J5 Choose your own path | CCC 图论 广度优先 | 0 | 0 | |
| 4039 Problem G | 砍伐树木 | 递归 | 0 | 0 | |
| 3951 Problem H | 拦截导弹 | 贪心 动态规划 | 0 | 0 | |
| 4080 Problem I | 上楼梯 | 递推 | 0 | 3 | |
| 4164 Problem J | 找零钱 | 贪心 | 0 | 0 |