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- #include<bits/stdc++.h>
- using namespace std;
- multiset<int> v;
- multiset<int>::iterator it;
- int main()
- {
- int n,x,c=0;
- cin>>n;
- for(int i=1;i<=n;i++)
- cin>>x,v.insert(x);
- while(v.size()>1)
- {
- int temp=0;
- it=v.begin();
- c+=*it,temp+=*it;
- it++;
- c+=*it,temp+=*it;
- it=v.begin();
- v.erase(it),it=v.begin(),v.erase(it);
- v.insert(temp);
- }
- cout<<c;
- }
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