C语言实例第07期：反转字符串

//
// Created by 冲哥 on 2020/9/14.
//实现功能：输入一个字符串，然后将该字符串反向输出
//

#include "stdio.h"
#include "string.h"

#define N 50

void convert_str(char str[N]);

void convert_str(char str[N]){
    int j;
    char temp;
    for (int i = 0; i < strlen(str)/2; i++) {
        j = strlen(str) - 1;
        temp = str[i];
        str[i] = str[j - i];
        str[j - i] = temp;
    }
    printf("反向输出：%s", str);
}

int main(){
    char str[N];
    printf("请输入字符串：\n");
    gets_s(str, N);
    printf("输入的字符串为：%s\n", str);
    convert_str(str);
}