//set many funcs template
//Ver.20190820
#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#include<stdbool.h>
#include<time.h>
#include<assert.h>
#define inf 1072114514
#define llinf 4154118101919364364
#define mod 1000000007
#define pi 3.1415926535897932384
#define size 524288

long long llmax(long long a,long long b){if(a>b){return a;}return b;}
int llsortfncsj(const void *a,const void *b){if(*(long long *)a>*(long long *)b){return 1;}if(*(long long *)a==*(long long *)b){return 0;}return -1;}

int main(void){
  long long i,j,n,m,k,a[size],b,c,h,w,r=0,l,t;
  long long rw[size]={0};
  scanf("%lld",&n);
  for(i=1;i<=n;i++){
    scanf("%lld",&a[i]);
  }
  qsort(&a[1],n,sizeof(long long),llsortfncsj);
  for(i=1;i<=n;i++){
    rw[i]=rw[i-1]+a[i];
  }
  if(n<=2){puts("0");return 0;}
  for(i=1;(2*i+1)<=n;i++){
    r=llmax(rw[i+1]+rw[n]-rw[n-i]-(2*i+1)*a[i+1],r);
  }
  for(i=1;i<=n;i++){
    r=llmax(rw[i]+rw[n]-rw[n-i]-i*(a[i]+a[n-i+1]),r);
  }
  printf("%lld\n",r);
  return 0;
}