判断二进制半整数

题目链接：https://ac.nowcoder.com/acm/problem/21882

#include<bits/stdc++.h>
using namespace std;
int t;
long long n;
int main()
{
    cin>>t;
    while(t--)
    {
        cin>>n;
        if(n%2!=0 || n<4)
        {
            cout<<"NO"<<endl;
            continue;
        }
        int cnt=0;
        for(int i=1; i<64; i++)
        {
            n>>=1;
            if(n&1)
                cnt++;
        }
        if(cnt==2 || cnt==1)
            cout<<"YES"<<endl;
        else
            cout<<"NO"<<endl;
    }
    return 0;
}