Submission #1540766

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Source Code Expand

#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<algorithm>
#include<vector>
#include<queue>
using namespace std;
int main(void){
	int a[100000];
	int b[100000];
	int c, d;
	int k;
	long long n, m;
	int s, t;
	long long w, x, y, z;
	long long ans;

	scanf("%lld %lld %lld %lld", &w, &x, &y, &z);

	scanf("%lld", &n);

	if (4 * w < 2 * x)m = 4 * w;
	else m = 2 * x;
	if (y < m)m = y;
	if (2 * m < z){
		ans = m*n;
		printf("%lld\n", ans);
	}
	else {
		ans = (z*(n / 2)) + (m*(n % 2));
		printf("%lld\n", ans);
	}


	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:18:46: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld %lld %lld %lld", &w, &x, &y, &z);
                                              ^
./Main.cpp:20:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld", &n);
                   ^

Judge Result