//编写函数实现字符串旋转#include <stdio.h>#include <assert.h>#include <string.h>void reverse(char *left, char *right){char temp;assert(left);assert(right);while (right > left){temp = *left;*left = *right;*right = temp;left++;right–;}}char *rotate(char *src, int n){int len = strlen(src);assert(src);reverse(src, src + n-1);reverse(src + n, src+len-1);reverse(src, src + len – 1);return src;}int main(){char p[] = "abcdef";printf("%s\n", rotate(p, 2));return 0;}
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