Submission #1050478

#	Time	Username	Problem	Language	Result	Execution time	Memory
1050478		EntityPlantt	Stove (JOI18_stove)	C++17	100 / 100	14 ms	1808 KiB

stove

#include <iostream>
#include <algorithm>
using namespace std;

signed main() {
	ios::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
	int n, k, x, y;
	cin >> n >> k >> x;
	int arr[n - 1];
	for (int i = 0; i < n - 1; i++) {
		cin >> y;
		arr[i] = y - x - 1;
		x = y;
	}
	sort(arr, arr + n - 1, greater<int>());
	x = n;
	for (int i = k - 1; i < n - 1; i++) x += arr[i];
	cout << x;
	return 0;
}

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