func_code_string: #include <bits/stdc++.h>   using namespace std;   int a[101];   int main() {     bool f = false;     int n, counter = 1;     long long ans = 0;     cin >> n;     for (int i = 0; i < n; i++) {       cin >> a[i];       if (a[i] == 0 && f) counter++;       if (a[i] == 1 && !f)         f = true, ans = 1;       else if (a[i] == 1 && f)         ans *= counter, counter = 1;     }     cout << ans;     return 0;   }   