t = int(input())
for i in range(t):
n = int(input())
arr = [int(x) for x in input().split()]
ans = 0
for j in range(n):
count = 0 # Reset count for the current element
for k in range(n):
if arr[j] == arr[k]:
count += 1
if count > ans:
ans = count
fans=n-count
print(fans)