#include<iostream>
#include<queue>
using namespace std;
#define read(x) scanf("%lld",&x)
int main()
{
priority_queue<long long,vector<long long>,greater<long long> >q;
long long n,temp,sum;
read(n);
if(n==1)
{
read(temp);
printf("%lld\n",temp);
return 0;
}
while(n--)
{
read(temp);
q.push(temp);
}
sum=0;
while(q.size()>1)
{
temp=q.top();
q.pop();
temp+=q.top();
q.pop();
sum+=temp;
q.push(temp);
}
printf("%lld\n",sum);......
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