func_code_string: #include <bits/stdc++.h>   using namespace std;   int a[300000];   int main() {     int i, j, n, k, m, l = 0, h, b = 0, c;     cin >> n;     for (i = 0; i < n; i++) cin >> a[i];     for (i = 1; i < n - 1; i++) {       if (a[i - 1] == 1 && a[i + 1] == 1 && a[i] == 0) {         l++;         a[i + 1] = 0;       }     }     cout << l << endl;     return 0;   }   