Submission #364225

#	Time	Username	Problem	Language	Result	Execution time	Memory
364225		Rainbowbunny	Stove (JOI18_stove)	C++17	100 / 100	28 ms	3328 KiB

stove

#include <iostream>
#include <queue>
#include <algorithm>
#include <utility>
#include <vector>

int n, k;
long long t[100005];
std::priority_queue <long long, std::vector <long long>, std::greater <long long> > pq;

int main()
{
	std::ios_base::sync_with_stdio(false);
	std::cin.tie(0);
	std::cout.tie(0);
	std::cin >> n >> k;
	for(int i = 1; i <= n; i++)
	{
		std::cin >> t[i];
	}
	for(int i = 1; i < n; i++)
	{
		pq.push(t[i + 1] - t[i] - 1);
	}
	long long ans = n;
	for(int i = 1; i <= n - k; i++)
	{
		ans += pq.top();
		pq.pop();
	}
	std::cout << ans;
}

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