Submission #28788

#	Time	Username	Problem	Language	Result	Execution time	Memory
28788		kriii	Wine Tasting (FXCUP2_wine)	C++14	1 / 1	103 ms	2288 KiB

wine

#include <stdio.h>
#include <algorithm>
using namespace std;
 
int A[300300];
 
int main()
{
	int N,K,c;
 
	scanf ("%d %d",&N,&K);
	for (int i=0;i<N;i++) scanf ("%d",&A[i]);
	sort(A,A+N);
 
	long long ans = 0;
	for (int i=0,j=N-1,c=0;c<K;c++){
		if (c % 2 == 0){
			ans += A[j] - (i ? A[i-1] : 0);
			i++; j--;
		}
	}
 
	printf ("%lld\n",ans);
 
	return 0;
}

Compilation message (stderr)

wine.cpp: In function 'int main()':
wine.cpp:9:10: warning: unused variable 'c' [-Wunused-variable]
  int N,K,c;
          ^
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,&K);
                       ^
wine.cpp:12:42: 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 ("%d",&A[i]);
                                          ^

• Subtask 1: 1 / 1