Submission #1547120

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Source Code Expand

#include <stdio.h>

typedef long long ll;

int main() {

	ll Q, H, S, D, N;

	scanf("%lld %lld %lld %lld", &Q, &H, &S, &D);
	scanf("%lld", &N);

	ll price[3] = { 4ll * Q ,2ll * H ,S };

	int index;

	int i;

	ll mi = 1000000000ll;

	for (i = 0; i < 3; i++) {
		if (price[i] < mi) {
			mi = price[i];
			index = i;
		}
	}

	ll ans;

	if (mi * 2ll > D) {
		if ((N % 2ll) == 0ll) { ans = N*D / 2ll; }
		else { ans = (N / 2ll)*D + price[index]; }
	}
	else {
		ans = N*mi;
	}

	printf("%lld\n",ans);

	return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:9:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld %lld %lld %lld", &Q, &H, &S, &D);
  ^
./Main.c:10:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld", &N);
  ^

Judge Result