Submission #1540142

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Source Code Expand

#include <cstdio>
#include <cstring>
#include <algorithm>
#include <cmath>
typedef long long LL;
using namespace std;
LL n, a[10];
int main()
{
	scanf("%lld%lld%lld%lld", &a[1], &a[2], &a[3], &a[4]);
	scanf("%lld", &n);
	LL Min = min(a[1] * 4, min(a[2] * 2, a[3]));
	bool ok = 0;
	if(Min * 2 <= a[4]) ok = 1;
	if(n & 1){
		if(ok) printf("%lld\n", n * Min);
		else printf("%lld\n", ((n - 1) / 2) * a[4] + Min);
	}
	else {
		if(ok) printf("%lld\n", n * Min);
		else printf("%lld\n", (n / 2) * a[4]);
	}
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:10:55: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld%lld%lld%lld", &a[1], &a[2], &a[3], &a[4]);
                                                       ^
./Main.cpp:11:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld", &n);
                   ^

Judge Result