关于cin.clear()

#include<iostream>
using namespace std;
const int max=5;
int main()
{
    int golf[max];
    cout<<"please input your golf scores.\n";
    cout<<"you must enter "<<max<<" rounds.\n";
    int i;
    for(i=0;i<max;i++)
    {
        cout<<"round #"<<i+1<<":";
        while(!(cin>>golf[i]))
        {
            cin.clear();//为什么我删除这行后，输入非数字后，无法再输入
            while(cin.get()!='\n')
            continue;
            cout<<"please input a number:\n";
            cout<<"round #"<<i+1<<":";
        }
    }
    return 0;
}