#include <bits/stdc++.h>
using namespace std;
int main() {
  int t, n;
  cin >> t;
  while (t--) {
    cin >> n;
    int a[n], sum = n - 1;
    for (int i = 0; i < n; i++) {
      cin >> a[i];
      sum += a[i];
    }
    cout << sum / n << endl;
  }
  return 0;
}
