// Pratiyush Mishra
 
#include <bits/stdc++.h>
#define ll long long int
using namespace std;
 
void mainSolve()
{
    int n;
    cin >> n;
    vector<int> v(n);
    for (int i = 0; i < n; i++)
        cin >> v[i];
    unordered_map<int, int> freq;
    for (int x : v)
        ++freq[x];
    int max_freq = 0;
    for (auto it : freq)
        max_freq = max(max_freq, it.second);
    int ans = n - max_freq;
    cout << ans << endl;
}
 
int main()
{
#ifndef ONLINE_JUDGE
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#endif
    int t;
    cin >> t;
    while (t--)
    {
        mainSolve();
    }
    return 0;
}