Submission #468581

#	Time	Username	Problem	Language	Result	Execution time	Memory
468581		PiejanVDC	Stove (JOI18_stove)	C++17	100 / 100	59 ms	1868 KiB

stove

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

signed main() {
	int n,k; cin>>n>>k;
	int prev; cin>>prev;
	priority_queue<int>pq;
	for(int i = 1 ; i < n ; i++) {
		int x; cin>>x;
		pq.push(-x+prev+1);
		prev=x;
	}
	int ans=n;
	while(n > k) {
		ans+=-(pq.top());
		pq.pop();
		n--;
	}
	cout << ans;
}

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