STL容器类,基础数据结构的实现(栈，队列，双端队列，链表和优先级队列等)
| Problem ID | Title | 分类 | AC | Submit | 正确率 | |
| Problem A | 删除重复 | STL | 39 | 45 | ||
| Problem B | 单词统计问题 | STL字符串 | 22 | 51 | ||
| Problem C | 出圈 | 模拟STL | 26 | 30 | ||
| Problem D | 括号匹配 | 数据结构栈 | 21 | 28 | ||
| Problem E | 逆波兰式求值 | 字符串数据结构 | 20 | 21 | ||
| Problem F | 波兰式求值 | 数学栈递归 | 11 | 24 | ||
| Problem G | 解密QQ号 | 队列数据结构 | 11 | 19 | ||
| Problem H | 解密QQ号II | 数据结构模拟STL | 5 | 6 | ||
| Problem I | 输出二叉树 | 递归树 | 4 | 4 | ||
| Problem J | Dynamic Arrays and List - Vector | STL | 4 | 4 | ||
| Problem K | Dynamic Arrays and List - Deque | STL队列双端队列 | 3 | 4 | ||
| Problem L | Dynamic Arrays and List - List | STL | 2 | 2 | ||
| Problem M | Basic Data Structures - Stack | STL | 2 | 2 | ||
| Problem N | Basic Data Structures - Queue | STL | 1 | 1 | ||
| Problem O | Basic Data Structures - Priority Queue | STL | 3 | 3 | ||
| Problem P | 懒省事的小明 | 堆优先级队列 | 3 | 3 | ||
| Problem Q | 数字排列 | 4 | 4 |