func_code_string: #include <bits/stdc++.h>   using namespace std;   const int mod = 1e9;   int main() {     ios_base::sync_with_stdio(false);     cin.tie(0);     long long i, j, k, n, t, x, l, r, m;     cin >> t;     while (t--) {       cin >> n;       k = n / 2;       long long sum = 0, y, cnt = 1;       x = 3;       y = 1;       while (k--) {         sum += ((x * 2 * cnt) + (y * 2 * cnt));         x += 2;         y += 2;         cnt++;       }       cout << sum <<   n ;     }     return 0;   }   