package main

import (
	"bufio"
	"fmt"
	"os"
)

func main() {
	in := bufio.NewReaderSize(os.Stdin, 1<<20)
	out := bufio.NewWriterSize(os.Stdout, 1<<20)
	defer out.Flush()

	var t int
	fmt.Fscan(in, &t)
	for ; t > 0; t-- {
		var n int
		fmt.Fscan(in, &n)
		cnt := make([]int, n+1)
		mx := 0
		for i := 0; i < n; i++ {
			var x int
			fmt.Fscan(in, &x)
			cnt[x]++
			if cnt[x] > mx {
				mx = cnt[x]
			}
		}
		fmt.Fprintln(out, n-mx)
	}
}