func_code_string: #include <bits/stdc++.h>   using namespace std;   const int maxn = 50005;   long long num[maxn];   int main() {     long long sum = 0, ans = 0;     int n;     scanf( %d , &n);     for (int i = 0; i < n; i++) cin >> num[i], sum += num[i];     if (n == 0) {       cout <<  0  << endl;       return 0;     }     sum = sum / n;     for (int i = 0; i < n - 1; i++) {       if (num[i] < sum) {         ans += sum - num[i];         num[i + 1] -= (sum - num[i]);       } else if (num[i] > sum) {         ans += num[i] - sum;         num[i + 1] += num[i] - sum;       }       num[i] = sum;     }     cout << ans << endl;     return 0;   }   