main.cpp

易学c++源码

#include "iostream.h"
int hdf(int a,int b);
void main()
{
	cout <<hdf(4,6) <<endl;
	cout <<hdf(5,6) <<endl;
	cout <<hdf(6,9) <<endl;
}
int hdf(int a,int b)
{
	int c;
	while (b!=0)
	{
		c=a%b;
		a=b;
		b=c;
	}
	return a;
}