字符串的反转

面试题字符串的反转

#include <stdio.h>#include <conio.h>#include <string.h>int main(){char p[]  = "123456789";int len = strlen(p) ;int j = len-1;for(int i=0;i<j;i++,j--){p[i]=p[i]^p[j];//交换两个值不用临时变量p[j]=p[j]^p[i];p[i]=p[i]^p[j];printf("%s\n",p);}printf("%s",p);;system("pause");return 0;}