输入字符串，倒序输出—C语言
#include<stdio.h>#include<string.h>#include <iostream>using namespace std;#define N 20int main(int argc, const char *argv[]){char str[N] = "\0";int i, n;printf("输入一个字符串：");cin>>str;n = strlen(str);for(i = n-1; i >= 0; i--)cout<<str[i]; putchar('\n');return 0;}
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