poj 1067 取石子游戏

#include<iostream>#include<math.h>using namespace std;int main(){     double x = (1.0 + sqrt(5.0))/2.0;    int ak;    int bk;    while(cin>>ak>>bk){        if(ak > bk){//交换ak,bk  ak ^= bk; bk ^= ak; ak ^= bk;        }        int k = bk - ak;        if(ak == (int)(k*x))          cout<<0<<endl;         elsecout<<1<<endl;        }        return 0;}