Cod sursă (job #547481)

Utilizator avatar VictorC Miyuki Akihiro VictorC IP ascuns
Problemă Lanterna Compilator cpp | 0,44 kb
Rundă lasm_19_03_2020_10 Status evaluat
Dată 19 mar. 2020 21:24:25 Scor 100 
#include<bits/stdc++.h>
using namespace std;
int n,i,x,y,v[100001];
long long s;
int main()
{
    ifstream in("lanterna.in");
    ofstream out("lanterna.out");
    in>>n;
    for(i=1; i<=n; i++) in>>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];
    out<<s<<'\n';
    return 0;
}