number of squares with odd side length on chessboard
#include <iostream>
using namespace std;
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int t;// no. of test cases
cin>>t;
while(t--)
{
int n;
cin>>n;// no. of square in a row or a coloumn of chess board
int i=1;
int ans=0;
while(i<=n)
{
ans=pow((n-i+1),2);
i=i+2;
}
cout<<ans<<endl;
}
return 0;
}