N = int(input())
Y = list(map(int,input().split()))
Y.sort()
s = set(Y)
import sys
if len(s) == 1:
    print(1)
    exit()
_sum = [0] * (N+1)
for i in range(N):
    _sum[i+1] = _sum[i] + Y[i]
ans = 10 ** 18

def func(l,r):
    mid = (l+r) // 2
    ans = _sum[r+1] - _sum[mid] - Y[mid] * (r-mid+1)
    ans += Y[mid] * (mid - l) - (_sum[mid] - _sum[l])
    return ans
for i in range(N-1):
    tmp = func(0,i) + func(i+1,N-1)
    if tmp < ans:
        ans = tmp
print(ans)