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Cod sursă (job #545253)
Cod sursă (job
#545253)
#include <bits/stdc++.h>
using namespace std;
ifstream f("lanterna.in");
ofstream g("lanterna.out");
int n,i,x,y,v[100001];
long long s;
int main()
{ f>>n;
for(i=1;i<=n;i++) f>>v[i];
sort(v+1,v+n+1);
while(n>3)
{ x=v[1]+2*v[2]+v[n];
y=2*v[1]+v[n-1]+v[n];
s+=min(x,y);
n-=2;
}
if(n==3) s+=v[1]+v[2]+v[3];
else s+=v[2];
g<<s<<'\n'; g.close();
return 0;
}