Submission #1539666

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Source Code Expand

#define _CRT_SECURE_NO_WARNINGS

#include <iostream>
#include <fstream>
#include <map>
#include <stack>
#include <queue>
#include <deque>
#include <set>
#include <cmath>
#include <vector>
#include <algorithm>
#include <string>
#include <bitset>
#include <memory.h>
#include <limits.h>

using namespace std;

int main() {
	//ios_base::sync_with_stdio(false);
	//ifstream cin("input.txt");
	//ofstream cout("output.txt");


	long long q, h, s, d;
	cin >> q >> h >> s >> d;
	h = min(h, q * 2);
	s = min(s, h * 2);
	d = min(d, s * 2);

	long long n;
	cin >> n;

	long long ans = n / 2 * d;
	n %= 2;
	ans += n * s;

	cout << ans;
	

	//system("pause");
	return 0;
}

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