a001. 哈囉 -- Brian Kernighan | From: [1.168.219.102] | 發表日期 : 2022-01-17 08:31

#include<iostream>
using namespace std;

int main()
{
    string name;
    while( cin >> name )
    {
        cout << "hello, " << name << endl;
    }
    return 0;
}