#include <bits/stdc++.h>
using namespace std;
#define modulo 1000000007
#define mod(mod_x) ((((long long)mod_x+modulo))%modulo)
#define Inf 10000000000000000



int main(){
	
	int N;
	cin>>N;
	
	vector<long long> a(N);
	for(int i=0;i<N;i++){
		cin>>a[i];
	}
	
	sort(a.begin(),a.end());
	
	vector<long long> S(N+1,0);
	for(int i=0;i<N;i++){
		S[i+1] = a[i];
		S[i+1] += S[i];
	}
	
	long long ans = 0;
	for(int i=1;i<N;i++){
		long long X = S[i];
		X += S[N] - S[N-(i-1)];
		ans = max(ans,X - (i*2-1)*a[i-1]);
	}
	
	cout<<ans<<endl;


	return 0;
}