func_code_string: #include <bits/stdc++.h>   using namespace std;   int a[100010];   int main() {     int T;     cin >> T;     while (T--) {       int n, sum = 0;       int z = 0;       cin >> n;       for (int i = 0; i < n; ++i) {         cin >> a[i];         sum = sum + a[i];         if (a[i] == 0) {           z++;         }       }       int ans = 0;       if (sum == 0) {         ans = 1;         sum++;       }       if (z != 0) {         ans = max(ans, z);         if (sum == 1) {           sum = sum + ans - 1;         } else {           sum = sum + ans;         }       }       if (sum == 0) {         ans++;       }       cout << ans << endl;     }     return 0;   }   