輸入樣例：

6 5 18 22

輸出樣例：

1 

6

#include<iostream>#include<fstream>#include<cmath>using namespace std;int main(){	ifstream cin("test.txt");//向OJ提交時，注釋此句	int m, n;	while (cin >> m >> n)	{		int large, less;		large = m > n ? m : n;		less = n < m ? n : m;		while (less != 0)		{			int tmp = large % less;			large = less;			less = tmp;		}		cout << large << endl;	}	system("pause");//向OJ提交時，注釋此句	return 0;}