求两个数的最大公因子

//求两个数的最大公因子
#include<iostream>
using namespace std;
void swap(int m,int n)
{
	int temp=m;
	m=n;
	n=temp;
}
void result(int a,int b)
{
	if(a<b)
		swap(a,b);
	bool judge=true;
	while(judge)
	{
		int r=a%b;
		if(r==0)
		{
			cout<<b<<endl;
			judge=false;
		}
		else
		{
			a=b;
			b=r;
			judge=true;
		}
	}
}
int main()
{
	int number1,number2;
	cout<<"Enter two numbers: ";
	cin>>number1>>number2;
	result(number1,number2);
	return 0;
}