B

#include <bits/stdc++.h>
using namespace std;

int main() {
    int t;
    cin>>t;

    while(t--){
        int n;
        cin>>n;

        if(n%2 == 0)
        {
            int x = n/2;
            cout<<(x*1ll*(x+1))<<"\n";
        }
        else
        {
            int x = n/2;
            cout<<(x*1ll*(x+1)) + (n+1)/2<<"\n";
        }
    }
}