func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n;     cin >> n;     int *a = new int[n];     int max = 0;     for (int i = 0; i < n; i++) {       cin >> a[i];       max += a[i];     }     for (int del = 2; del < n; del++) {       int vLeft = n / del;       if (n % del == 0 && vLeft > 2) {         for (int j = 0; j < n; j++) {           int done = 0;           int start = j;           int sum = 0;           while (done < vLeft) {             if (start >= n) start -= n;             sum += a[start];             start += del;             done++;           }           if (sum > max) max = sum;         }       }     }     cout << max;     return 0;   }   