C++ :

#include<cstdio>
int read()
{
    char c=getchar();
    int x=0;
    while(c<'0'||c>'9')c=getchar();
    for(;c>='0'&&c<='9';c=getchar())x=x*10+c-'0';
    return x;
}
int main()
{
	int t,n;
	t=read();
	while(t--)
		n=read(),printf("%d\n",(n>>1)*(n>>1)-(n&1?0:n>>1));
	return 0;
}