func_code_string: #include <bits/stdc++.h>   using namespace std;   int nexto[120];   int ara[120];   int main() {     std::ios_base::sync_with_stdio(false);     ;     int n;     cin >> n;     for (int i = 0; i <= n - 1; i++) {       cin >> ara[i];     }     int tt = n;     for (int i = n - 1; i >= 0; i--) {       nexto[i] = tt;       if (ara[i] == 1) {         tt = i;       }     }     if (tt == n) {       cout << 0 <<   n ;       return 0;     }     nexto[n] = n;     long long shuru;     if (ara[0] == 1) {       shuru = 0;     } else {       shuru = nexto[0];     }     long long ans = 1;     for (;;) {       if (shuru >= n) {         break;       }       long long shesh = nexto[shuru];       if (shesh >= n) {         break;       }       ans *= (shesh - shuru);       shuru = shesh;     }     cout << ans <<   n ;     return 0;   }   