func_code_string: #include <bits/stdc++.h>   using namespace std;   int arr[100000];   int main() {     int n;     cin >> n;     for (int i = 0; i < n; ++i) cin >> arr[i];     for (int i = 1; n / i >= 3; ++i) {       if (n % i != 0) continue;       for (int j = 0; j < i; ++j) {         int Ok = 0;         for (int k = j; k < n; k += i) {           if (arr[k] == 1) ++Ok;         }         if (Ok == n / i) {           cout <<  YES  << endl;           return 0;         }       }     }     cout <<  NO  << endl;     return 0;   }   