BZOJ 3609: [Heoi2014]人人尽说江南好
神分析......
https://blog.csdn.net/u010600261/article/details/53186407
#include<cstdio> using namespace std; int main(){ int T; scanf("%d",&T); while (T--){ int n,m; scanf("%d%d",&n,&m); int ans=n/m*(m-1); if (n%m) ans+=n%m-1; printf("%d\n",(ans&1)^1); } return 0; }