func_code_string: #include <bits/stdc++.h>   using namespace std;   int cla[110];   int main() {     int n;     cin >> n;     int cnt = 0;     int c;     int cnt0, cnt1;     int flag = 0;     for (int i = 0; i < n; i++) {       cin >> c;       if (c == 1) {         if (cnt0 == 1 && flag == 1) cnt++;         flag = 1;         cnt0 = 0;         cnt++;       } else {         cnt0++;       }     }     cout << cnt << endl;     return 0;   }   