Submission #28243

#	Time	Username	Problem	Language	Result	Execution time	Memory
28243		xhae (#68)	Wine Tasting (FXCUP2_wine)	C++14	1 / 1	113 ms	3460 KiB

wine

#include <cstdio>
#include <algorithm>

using namespace std;

long long data[300000];

int main(void) {
	int n, m;
	scanf("%d %d", &n, &m);
	for(int i = 0; i < n; i++) scanf("%lld", data + i);
	sort(data, data + n);
	long long ans = data[n - 1];
	int si = 0, ei = n - 2;
	for(int i = 1; i < m; i++) {
		if(i % 2 == 1) si++;
		else ans += data[ei--] - data[si - 1];
	}

	printf("%lld\n", ans);
	return 0;
}

Compilation message (stderr)

wine.cpp: In function 'int main()':
wine.cpp:10:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &n, &m);
                        ^
wine.cpp:11:52: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i = 0; i < n; i++) scanf("%lld", data + i);
                                                    ^

• Subtask 1: 1 / 1