oj.uz

답안 #74345

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
74345 2018-08-31T10:54:49 Z khsoo01 포도주 시음 (FXCUP2_wine) C++11
1 / 1
 93 ms 31200 KB 
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
ll n, k, a[300005];
 
int main()
{
	scanf("%lld%lld",&n,&k);
	if(k%2 == 0) k--;
	for(ll i=1;i<=n;i++) {
		scanf("%lld",&a[i]);
	}
	sort(a+1, a+1+n);
	ll ans = 0;
	for(ll i=1;i<=(k+1)/2;i++) {
		ans += a[n-i+1];
	}
	for(ll i=1;i<=k/2;i++) {
		ans -= a[i];
	}
	printf("%lld\n",ans);
}

Compilation message

wine.cpp: In function 'int main()':
wine.cpp:8:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld%lld",&n,&k);
  ~~~~~^~~~~~~~~~~~~~~~~~
wine.cpp:11:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld",&a[i]);
   ~~~~~^~~~~~~~~~~~~~

Subtask #1
1.0 / 1.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 512 KB Output is correct
3 Correct 2 ms 512 KB Output is correct
4 Correct 2 ms 512 KB Output is correct
5 Correct 2 ms 512 KB Output is correct
6 Correct 2 ms 564 KB Output is correct
7 Correct 2 ms 696 KB Output is correct
8 Correct 2 ms 696 KB Output is correct
9 Correct 2 ms 696 KB Output is correct
10 Correct 2 ms 720 KB Output is correct
11 Correct 2 ms 732 KB Output is correct
12 Correct 2 ms 732 KB Output is correct
13 Correct 4 ms 732 KB Output is correct
14 Correct 3 ms 732 KB Output is correct
15 Correct 3 ms 776 KB Output is correct
16 Correct 3 ms 812 KB Output is correct
17 Correct 5 ms 1132 KB Output is correct
18 Correct 8 ms 1408 KB Output is correct
19 Correct 11 ms 1716 KB Output is correct
20 Correct 10 ms 2016 KB Output is correct
21 Correct 22 ms 3568 KB Output is correct
22 Correct 32 ms 4564 KB Output is correct
23 Correct 30 ms 5524 KB Output is correct
24 Correct 30 ms 6388 KB Output is correct
25 Correct 93 ms 10772 KB Output is correct
26 Correct 89 ms 13652 KB Output is correct
27 Correct 89 ms 16664 KB Output is correct
28 Correct 52 ms 19556 KB Output is correct
29 Correct 90 ms 22404 KB Output is correct
30 Correct 88 ms 25296 KB Output is correct
31 Correct 88 ms 28276 KB Output is correct
32 Correct 91 ms 31200 KB Output is correct
33 Correct 2 ms 31200 KB Output is correct
34 Correct 18 ms 31200 KB Output is correct