func_code_string: #include <bits/stdc++.h>   using namespace std;   const int maxn = 50100;   unsigned long long arr[maxn];   int main() {     ios_base::sync_with_stdio(false), cin.tie(0), cout.tie(0);     unsigned long long s = 0, res = 0;     long long n;     cin >> n;     for (int i = 0; i < n; i++) cin >> arr[i], s += arr[i];     s = s / n;     for (int i = 0; i + 1 < n; i++) {       long long tmp = arr[i] - s;       res += abs(tmp);       arr[i + 1] += tmp;     }     cout << res << endl;     return 0;   }   