func_code_string: #include <bits/stdc++.h>   using namespace std;   long long int diff(long long int x, long long int y) {     if (x > y) {       return x - y;     } else {       return y - x;     }   }   int main() {     long long int n;     cin >> n;     long long int arr[n];     for (long long int i = 0; i < n; i++) {       cin >> arr[i];     }     long long int count = 0;     long long int ans = 0;     for (long long int i = 0; i < n; i++) {       if (arr[i] == 1) {         count++;         if (count > ans) {           ans = count;         }       } else {         count = 0;       }     }     if (count != 0) {       for (int i = 0; i < n; i++) {         if (arr[i] == 1) {           count++;           if (count > ans) {             ans = count;           }         } else {           break;         }       }     }     cout << ans;     return 0;   }   