Submission #404864

#	Time	Username	Problem	Language	Result	Execution time	Memory
404864		ahmeteren	Stove (JOI18_stove)	C++14	100 / 100	63 ms	2320 KiB

stove

#include <bits/stdc++.h>
using namespace std;
int main()
{
	int n, k, sil = 0;
	cin >> n >> k;
	vector<int> vec(n), a;
	for(int i = 0; i < n; i++)
	{
		cin >> vec[i];
		if(i > 0)
			a.push_back(vec[i] - vec[i-1] - 1);
	}
	sort(a.rbegin(), a.rend());
	for(int i = 0; i < k-1; i++)
	{
		sil += a[i];
	}
	cout << vec[n-1] + 1 - vec[0] - sil << endl;
	return 0;;
}

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