Submission #151166

#	Time	Username	Problem	Language	Result	Execution time	Memory
151166		TAMREF	Wine Tasting (FXCUP2_wine)	C++11	0 / 1	2 ms	376 KiB

wine

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int n, k, p[300005];
ll ans;

int main(){    
    ios_base::sync_with_stdio(0);cin.tie(0);
    cin >> n >> k;
    for(int i = 0; i < n; i++) cin >> p[i];
    sort(p, p+n);
    for(int i = 0; i < k/2; i++) ans -= p[i];
    for(int i = 0; i < (k+1)/2; i++) ans += p[n-1-i];
    cout << ans << '\n';
}

• Subtask 1: 0 / 1