PKU 1067 取石子游戏

#include  < iostream >
#include  < algorithm >
#include  < cmath >
using   namespace  std;
int  main()
{
     int ax,bx,temp;
     int k,wantedax;
     while(scanf("%d%d",&ax,&bx)!=EOF) /**//*题中没有输入结标志时，必须这样写，否则会WA*/
     {
            if(ax>bx)
                swap(ax,bx);
            k = bx - ax;
            wantedax = (floor)( k*(1.0+sqrt(5.0))/2.0 );
            if(ax==wantedax)
                printf("%d\n",0);
            else
                printf("%d\n",1);
    }
    return 0;
}