func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     int t = 0;     cin >> t;     for (int i = 0; i < t; i++) {       long long m = 0;       int n = 0;       cin >> n;       for (int j = n; j > 2; j -= 2) {         m += (2 * pow((j - 1), 2));       }       cout << m << endl;     }   }   