Submission #2381108

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
ll Q, H, S, D, N, ans;

ll calc(ll x){
	ll ret = Q * (1LL << x);
	x--;
	if(x < 0)	return ret;
	ret = min(ret, H * (1LL << x));
	x--;
	if(x < 0)	return ret;
	ret = min(ret, S * (1LL << x));
	x--;
	if(x < 0)	return ret;
	ret = min(ret, D * (1LL << x));
	return ret;
}

int main(){
	cin >> Q >> H >> S >> D >> N;
	N *= 4;
	for(int i = 40; i >= 0; i--){
		if(N & (1LL << i)){
			ans = (ans + calc(1LL * i));
		}
	}
	cout << ans << '\n';
	return 0;
}

Submission Info

Judge Result