func_code_string: #include <bits/stdc++.h>   using namespace std;   bool cmp(const pair<long long, long long> &a,            const pair<long long, long long> &b) {     return (a.second < b.second);   }   long long power(long long x, long long y) {     long long res = 1;     x = x;     if (x == 0) return 0;     while (y > 0) {       if (y & 1) res = (res * x);       y = y >> 1;       x = (x * x);     }     return res;   }   int main() {     long long t = 1, i, j, k, x, y, z, n, m;     cin >> t;     while (t--) {       cin >> n;       if (n == 1) {         cout <<  0 n ;         continue;       }       long long p = 8;       long long sum = 0;       for (i = 1; i <= (n / 2); i++) {         p = 8 * i;         sum = sum + (p * i);       }       cout << sum << endl;     }     return 0;   }   