ex3_15.cpp

纯粹是学习专用～

#include<iostream.h>
void main(){
	int num1,num2;
	cout<<"输入两个整数："<<endl;
	cin>>num1>>num2;
	cout<<num1<<"和"<<num2<<"的最大公约数为：";
	for(;;){
		int resd;
		resd=num1%num2;
		if(resd==0)  break;
		num1=num2;  num2=resd;
	}
	cout<<num2<<endl;
}