Submission #1540605

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Source Code Expand

#include<iostream>
#include<vector>
#include<algorithm>
#include<string>
#include<cstdlib>
#include <cmath>
#include<stdio.h>
#include<queue>
#include<stack>
#include<set>
#define int long long
#define MAX 1000000000000000000LL
int inf=100000000000007;
using namespace std;
typedef pair<int,int> P;
string alph="abcdefghijklmnopqrstuvwxyz";
int dx[4]={1,0,-1,0};
int dy[4]={0,1,0,-1};

signed main(){
    int q,h,s,d;
    cin>>q>>h>>s>>d;
    h=min(h,q*2);
    s=min(s,h*2);
    d=min(d,s*2);
    int n;cin>>n;
    cout<<n/2*d+s<<endl;
    return 0;
}

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