Submission #853158

#	Time	Username	Problem	Language	Result	Execution time	Memory
853158		parsadox2	Stove (JOI18_stove)	C++14	100 / 100	22 ms	2272 KiB

stove

#include <bits/stdc++.h>

using namespace std;

const int N = 1e5 + 10;
int n , k , ar[N];

signed main()
{
	ios::sync_with_stdio(false);
	cin.tie(0);  cout.tie(0);
	cin >> n >> k;  k--;
	for(int i = 0 ; i < n ; i++)
		cin >> ar[i];
	priority_queue <int> pq;
	int ans = ar[n - 1] - ar[0] + 1;
	for(int i = 1 ; i < n ; i++)
		pq.push(ar[i] - ar[i - 1] - 1);
	while(k--)
	{
		ans -= pq.top();
		pq.pop();
	}
	cout << ans << '\n';
	return 0;
}

• Subtask 1: 20 / 20
• Subtask 2: 30 / 30
• Subtask 3: 50 / 50