func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios::sync_with_stdio(0);     cin.tie(0);     int t;     cin >> t;     while (t--) {       int n;       cin >> n;       int *arr = new int[n];       for (int i = 0; i < n; i++) cin >> arr[i];       int j, k;       for (int i = 0; i < n; i++) {         if (arr[i] == 1) {           j = i;           break;         }       }       for (int i = n - 1; i >= 0; i--) {         if (arr[i] == 1) {           k = i;           break;         }       }       int ans = 0;       for (int i = j; i <= k; i++) {         if (arr[i] == 0) ans++;       }       cout << ans << endl;     }     return 0;   }   