//登录系统(普通)

#include<iostream>
#include<string>
#include<windows.h>

using namespace std;

int main(){
    string username,password;
    string uname,pwd;

    username = "2022110";
    password = "246810";   //设置密码和用户名

    cout <<"欢迎使用登录系统(demo)"<<endl;  //无
    cout <<"请输入用户名:";  //输入用户名
    cin >>uname;
    cout <<"请输入密码:";
    cin >>pwd;

    if (uname == username)
    {
        if (pwd == password)
        {
            cout <<"亲爱的小朋友欢迎您!";
            Sleep(1000);
            return 0;
        }else{
            cout <<"密码错误!";
            Sleep(1000);
            return 2;
        }
    }else{
        cout <<"用户名不正确!";
        Sleep(1000);
        return 1;
    }
    return 0;
}