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| #include <bits/stdc++.h>
#define ll long long
#define int long long
#define Orz ios::sync_with_stdio(0),cin.tie(0)
#define N 51
#define FOR(i,n) for(int i=0;i<n;i++)
#define pii pair<int,int>
#define pid pair<int,double>
#define pdi pair<double,int>
using namespace std;
int n,m;
void solve(){
while(cin>>n && n){
priority_queue<int,vector<int>,greater<int>> pq;
for(int i=0;i<n;i++){
int temp;cin>>temp;
pq.push(temp);
}
int ans = 0;
while(pq.size()!=1){
int cur = pq.top();
pq.pop();
cur += pq.top();
pq.pop();
ans+=cur;
pq.push(cur);
}
cout<<ans<<endl;
}
}
signed main(){
Orz;
int t=1;
while(t--){
solve();
}
}
|