#include<iostream>
using namespace std;
void main()
{
    char k=1;
    while(k)
    {
        int r=0,time;
        cout<<"请输入表演时间：\n";//在这里没有停？
        cin>>time;
        if(time<=0)
        {
            cout<<"您输入的时间错误（数字>0）\n错误星数为：";
            while( (getchar())!='\n' )//清除缓存
            {
                cout<<"* ";
            }
            cout<<endl;
            continue;
        }
    }
}