func_code_string: #include <bits/stdc++.h>   using namespace std;   using ll = long long;   using vi = vector<int>;   void solve() {     int n;     cin >> n;     vector<int> v(n);     for (int i = 0; i < n; i++) {       cin >> v[i];     }     if (count(v.begin(), v.end(), 1) == 1) {       cout << 0 << endl;       return;     }     int s, e;     for (s = 0; s < n; s++) {       if (v[s] == 1) {         break;       }     }     for (e = n - 1; e >= 0; e--) {       if (v[e] == 1) {         break;       }     }     int ans = 0;     for (int i = s; i <= e; i++) {       if (v[i] == 0) {         ans++;       }     }     cout << ans << endl;     return;   }   int main() {     ios_base::sync_with_stdio(false);     cin.tie(nullptr);     cout.tie(nullptr);     int t;     cin >> t;     while (t--) {       solve();     }     return 0;   }   