func_code_string: #include <bits/stdc++.h>   using namespace std;   bool compare(int a, int b) { return a > b; }   int main() {     int n, a, index;     cin >> n;     vector<int> A;     int temp;     int count = 0;     for (int i = 0; i < n; i++) {       cin >> a;       A.push_back(a);     }     for (int i = 0; i < n; i++) {       if (A[i] == 1) {         count++;         index = i;         break;       }     }     for (int i = index + 1; i < n; i++) {       if (A[i] == 1 && A[i - 1] == 1)         count++;       else if (A[i] == 1 && A[i - 1] == 0)         count += 2;       else         continue;     }     cout << count;     return 0;   }   