学步园

#include<iostream>
using namespace std;

typedef struct node{
	int x;
	int y;
	int q;
}node;

node t;

node extend_euclid(int a,int b)
{
	if(b==0)
	{
		t.x=1;
		t.y=0;
		t.q=a;
		return t;
	}
	else{
		extend_euclid(b,a%b);
		int tmp=t.x;
		t.x=t.y;
		t.y=tmp-(a/b)*t.y;
		cout<<t.x<<":"<<t.y<<":"<<t.q<<endl;
	}
	
	return t;
}


int main()
{
	int a,b;
	node t1;
	cin>>a>>b;
	t1=extend_euclid(a,b);

	//cout<<t1.x<<":"<<t1.y<<":"<<t1.q<<endl;

	return 0;
}

http://baike.baidu.com/view/1478219.htm

http://www.cnblogs.com/ka200812/archive/2011/09/02/2164404.html