poj-1067 威佐夫博奕 Wythoff Game

http://poj.org/problem?id=1067

很明显不懂  直接看了discuss~  先留着

#include <stdio.h>#include <math.h>int ak, bk;double x;int main() {     x = (1 + sqrt(5.0)) / 2;     while(scanf("%d %d", &ak, &bk) != EOF) {          if(ak > bk) {               ak ^= bk;               bk ^= ak;               ak ^= bk;          }          int k = bk - ak;          if(ak == (int)(k * x)) printf("0\n");          else printf("1\n");     }}