답안 #152837

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
152837	2019-09-09T23:59:02 Z	erebos	포도주 시음 (FXCUP2_wine)	C++17	1 / 1	78 ms	5356 KB

wine

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

vector<int>arr;

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    int n, k;
    cin>>n>>k;
    for(int i=0; i<n; ++i) {
        int a;
        cin>>a;
        arr.push_back(a);
    }
    sort(arr.begin(), arr.end());
    ll ans=0;
    if(k%2==0) {
        for(int i=0; i<k/2; ++i) {
            ans+=arr[n-i-1];
        }
        for(int i=0; i<k/2-1; ++i) {
            ans-=arr[i];
        }
    } else {
        for(int i=0; i<k/2+1; ++i) {
            ans+=arr[n-i-1];
        }
        for(int i=0; i<k/2; ++i) {
            ans-=arr[i];
        }
    }
    cout<<ans;
}

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	376 KB	Output is correct
3	Correct	2 ms	380 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	3 ms	504 KB	Output is correct
14	Correct	3 ms	376 KB	Output is correct
15	Correct	3 ms	504 KB	Output is correct
16	Correct	3 ms	504 KB	Output is correct
17	Correct	5 ms	632 KB	Output is correct
18	Correct	7 ms	888 KB	Output is correct
19	Correct	9 ms	888 KB	Output is correct
20	Correct	9 ms	892 KB	Output is correct
21	Correct	19 ms	1912 KB	Output is correct
22	Correct	25 ms	1908 KB	Output is correct
23	Correct	25 ms	1912 KB	Output is correct
24	Correct	26 ms	1912 KB	Output is correct
25	Correct	75 ms	5232 KB	Output is correct
26	Correct	75 ms	5184 KB	Output is correct
27	Correct	75 ms	5228 KB	Output is correct
28	Correct	52 ms	5356 KB	Output is correct
29	Correct	75 ms	5216 KB	Output is correct
30	Correct	76 ms	5232 KB	Output is correct
31	Correct	75 ms	5236 KB	Output is correct
32	Correct	78 ms	5356 KB	Output is correct
33	Correct	2 ms	376 KB	Output is correct
34	Correct	17 ms	1656 KB	Output is correct