#!/usr/bin/env python3.8
import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines
from collections import deque

N, *A = map(int, read().split())
A = deque(sorted(A))

S = A.popleft()
med = S
best_score = 0
elem = 1
while len(A) > 1:
    L = A.popleft()
    R = A.pop()
    med = L
    S += L + R
    elem += 2
    score = S - med * elem
    if best_score < score:
        best_score = score

print(best_score)