def cnt_d(line_one, line_two, array, array_length):
    d = 0
    for i in range(0, line_one + 1):
        d += array[line_one] - array[i]
    i = line_one + 1
    while array[i] - array[line_one] < array[line_two] - array[i]:
        d += array[i] - array[line_one]
        i += 1
    while i < line_two:
        d += array[line_two] - array[i]
        i += 1
    for i in range(line_two, array_length):
        d += array[i] - array[line_two]

    return d


N = int(input())
nums = [int(i) for i in input().split()]
nums.sort()
d_min = cnt_d(0, 1, nums, N)

if any([x != nums[0] for x in nums]):
    for a in range(0, N - 1):
        for b in range(a + 1, N):
            d = cnt_d(a, b, nums, N)
            if d_min > d:
                d_min = d
else:
    d_min = 1

print(d_min)