//倒计时

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

using namespace std;

int main(){
    for (int i = 15; i > 0; i--)
    {
        cout <<"距离考试结束还剩:"<<i<<"分钟"<<endl;
        Sleep(60000);
    }
    cout <<"考试结束!"<<endl;
    
    return 0;
}