16 lines
358 B
C++
16 lines
358 B
C++
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#include<bits/stdc++.h>
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using namespace std;
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int n,x,ans;
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priority_queue<int,vector<int>,greater<int> >q;
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int main(){
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cin>>n;
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for(int i=1;i<=n;i++) cin>>x,q.push(x);
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while(q.size()>=2){
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int a=q.top(); q.pop();
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int b=q.top(); q.pop();
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ans+=a+b;
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q.push(a+b);
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}
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cout<<ans<<endl;
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return 0;
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}
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