| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 45 | 45 字符串去重并映射零值 | 0 / 0 | (None) | |
| 47 | 47 字符串长度映射统计 | 0 / 0 | (None) | |
| 50 | 50 字符串首字符分组拼接 | 0 / 0 | (None) | |
| 51 | 51 字符串偶数次出现统计 | 0 / 0 | (None) | |
| 52 | 52 字符串出现次数统计 | 0 / 0 | (None) | |
| 53 | 53 字符串首字符匹配交换 | 0 / 0 | (None) | |
| 63 | 63 寻找字符串镜像前缀后缀 | 0 / 0 | (None) | |
| 102 | 102 替换零值:右侧最大奇数 | 0 / 0 | (None) | |
| 105 | 105 数组最大跨度 | 0 / 0 | (None) | |
| 107 | 107 数组重排:4后跟5 | 0 / 0 | (None) | |
| 108 | 108 数组分割求和 | 0 / 0 | (None) | |
| 202 | 202 递归实现阶乘计算 | 0 / 0 | (None) | |
| 203 | 203 递归计算兔子耳朵总数 | 0 / 0 | (None) | |
| 204 | 204 斐波那契数列的递归实现 | 0 / 0 | (None) | |
| 205 | 205 递归计算兔子耳朵总数 | 0 / 0 | (None) | |
| 206 | 206 积木三角形总数(递归求解) | 0 / 0 | (None) | |
| 207 | 207 递归计算数字各位之和 | 0 / 0 | (None) | |
| 208 | 208 递归计数数字出现次数 | 0 / 0 | (None) | |
| 209 | 209 递归计数特殊8 | 0 / 0 | (None) | |
| 210 | 210 递归计算整数幂 | 0 / 0 | (None) | |
| 211 | 211 递归统计字符'x'数量 | 0 / 0 | (None) | |
| 213 | 213 递归统计子串出现次数 | 0 / 0 | (None) | |
| 214 | 214 递归实现字符串字符替换 | 0 / 0 | (None) | |
| 215 | 215 递归替换字符串中的"pi" | 0 / 0 | (None) | |
| 216 | 216 递归移除字符串中的特定字符 | 0 / 0 | (None) | |
| 217 | 217 递归查找数组中的特定数字 | 0 / 0 | (None) | |
| 218 | 218 递归计数数组元素11 | 0 / 0 | (None) | |
| 219 | 219 数组递归查找倍数 | 0 / 0 | (None) | |
| 221 | 221 字符串相邻相同字符插入星号 | 0 / 0 | (None) | |
| 222 | 222 递归移动字符'x'到末尾 | 0 / 0 | (None) | |
| 225 | 225 字符串中特定间隔字符配对计数 | 0 / 0 | (None) | |
| 227 | 227 递归计算非重叠子串数量 | 0 / 0 | (None) | |
| 228 | 228 字符串相邻字符去重 | 0 / 0 | (None) | |
| 229 | 229 字符串递归计数:排除特定前缀 | 0 / 0 | (None) | |
| 230 | 230 递归提取括号内容 | 0 / 0 | (None) | |
| 231 | 231 括号嵌套判断 | 0 / 0 | (None) | |
| 234 | 234 首尾子串匹配的最大长度 | 0 / 0 | (None) | |
| 236 | 236 子集求和:递归回溯判断 | 0 / 0 | (None) | |
| 237 | 237 分组求和:强制包含特定数字 | 0 / 0 | (None) |