Submission #28260

#	Time	Username	Problem	Language	Result	Execution time	Memory
28260		Sorry AcornCkiGuiziTeam (#68)	포도주 시음 (FXCUP2_wine)	C++14	1 / 1	103 ms	2288 KiB

wine

#include <cstdio>
#include <algorithm>

using namespace std;

int a[300003];

int main() {
	long long r = 0;
	int i, n, m;
	scanf("%d%d", &n, &m);
	for (i = 1; i <= n; i++) scanf("%d", &a[i]);
	sort(a, a + n + 1);
	for (i = 0; i + i < m; i++) r += a[n - i] - a[i];
	printf("%lld", r);
	return 0;
}

Compilation message (stderr)

wine.cpp: In function 'int main()':
wine.cpp:11:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &n, &m);
                       ^
wine.cpp:12:45: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for (i = 1; i <= n; i++) scanf("%d", &a[i]);
                                             ^

• Subtask 1: 1 / 1