| 题目编号 | 标题 | 来源/分类 | 正确 | 提交 | |
| 3987 Problem A | 字符串的简单输出 | 字符串 | 19 | 33 | |
| 3986 Problem B | 字符串简单输出(2) | 字符串 | 18 | 37 | |
| 4077 Problem C | 字符串的长度 | 字符串 | 19 | 25 | |
| 1583 Problem D | 求逆序字符串 | 字符串 | 20 | 23 | |
| 1157 Problem E | 统计数字字符个数 | 字符串 | 20 | 34 | |
| 1584 Problem F | 统计字符 | 19 | 40 | ||
| 1391 Problem G | 字符串统计 | 字符串 | 20 | 35 | |
| 1386 Problem H | 将字符串中的小写字母转换成大写字母 | 字符串 | 20 | 28 | |
| 4078 Problem I | 大小写字母互换 | 字符串 | 19 | 28 | |
| 1392 Problem J | 首字母变大写 | 19 | 57 | ||
| 4082 Problem K | 过滤多余的空格 | 字符串 | 17 | 27 | |
| 3981 Problem L | 单词有多少2 | 字符串 | 16 | 43 | |
| 3984 Problem M | 字符串比较大小 | 字符串比较 | 18 | 28 | |
| 1058 Problem N | 验证子串 | 字符串 | 6 | 29 |