func_code_string: #include <bits/stdc++.h>   int arr[1000];   int main() {     int count, i, j, n;     scanf( %d , &n);     for (i = 0; i < n; i++) scanf( %d , &arr[i]);     count = 0;     i = 0;     while (i < n) {       j = i;       while ((j < n) && (arr[j] == 1)) j++;       if (j > i) count += j - i + 1;       i = j + 1;     }     if (count > 0)       printf( %d n , count - 1);     else       printf( 0 n );     return 0;   }   