Submission #1553430

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Source Code Expand

///age yekam bekeshi beham is no problem ._.
#include<bits/stdc++.h>
#define size(a) (int)a.size()
#define int long long
#define F first
#define S second
#define pb push_back
using namespace std;
const int maxn=1e5+7,INF=3e18+9237,mod=1e9+7;

int32_t main(){
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	int q,h,s,d,n;cin>>q>>h>>s>>d>>n;
	cout<<((n/2)*min(min(8*q,4*h),min(2*s,d)))+((n%2)*min(min(2*h,4*q),s));
}

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