zoj 1385 Binary Stirling Numbers

#include<iostream>using namespace std;int N, n,m, k;int main(){    cin>>N;    for(int i=1; i<=N; ++i)    {        cin>>n>>m;        k=n-m;        if(!(m&1))  --m, --n;        n-=(m+1)/2;        if((n&k) == k)  cout<<1<<endl;        else    cout<<0<<endl;    }    return 0;}