掌握“回文判断与中间字符提取”：`isPalindrome` 函数解析

```c #include <string.h> int isPalindrome(const char* str, char* pch) { int len = strlen(str); *pch = str[len / 2 - (len % 2 == 0)]; int left = 0; int right = len - 1; while (left < right) { if (str[left] != str[right]) { return 0; } left++; right--; } return 1; } ``` ######[AI问答 | 128点数解答 | 2025-12-10 22:47:41]