func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n;     int t;     cin >> t;     while (t--) {       int n;       cin >> n;       long long move = 0;       for (int i = 1; i <= n / 2; ++i) {         move += i * 1ll * i;       }       cout << move * 8 << endl;     }     return 0;   }   