反转字符串

逆序输出字符串

//
//  main.cpp
//  daxuejisuanji
//
//  Created by fyr on 2019/12/26.
//  Copyright © 2019年 fyr. All rights reserved.
//

#include <iostream>
#include <cstring>
using namespace std;


int main() {
    char str[20];
    cout<<"请输入字符串："<<endl;
    cin>>str;
    //cout<<endl;
    int len=0;
    while (str[len]!='\0') {
        len++;
    }
    cout<<"长度="<<len<<endl;
    cout<<str<<endl;
    int i=0,j;

    
    char sub[20];
        for (j=len-1; j>=0; j--) {
            sub[i]=str[j];
            i++;
        }
    
    sub[i]='\0';
    
    cout<<"sub="<<sub<<endl;

    return 0;
}

Output

请输入字符串：
aad
长度=3
aad
sub=daa
Program ended with exit code: 0

来源：CSDN

作者：weixin_44688377

链接：https://blog.csdn.net/weixin_44688377/article/details/103951525