Submission #28269

#	Time	Username	Problem	Language	Result	Execution time	Memory
28269		뚜루루뚜루 (#68)	Wine Tasting (FXCUP2_wine)	C++98	1 / 1	99 ms	4364 KiB

wine

#include <bits/stdc++.h>
using namespace std;

long long arr[300009];

int main()
{
    int n,k;
    long long ans;
    scanf("%d %d",&n,&k); --k;
    for(int i=0; i<n; i++) scanf("%lld",&arr[i]);
    sort(arr, arr+n);
    ans = arr[n-1];
    for(int i=0; i<(n-2)-i && i<k/2; i++) ans += arr[n-2-i] - arr[i];
    printf("%lld",ans);
    return 0;
}

Compilation message (stderr)

wine.cpp: In function 'int main()':
wine.cpp:10:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&n,&k); --k;
                         ^
wine.cpp:11:49: 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",&arr[i]);
                                                 ^

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