Submission #341629

#	Time	Username	Problem	Language	Result	Execution time	Memory
341629		BlancaHM	Stove (JOI18_stove)	C++14	100 / 100	23 ms	2060 KiB

stove

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

int solve(int K, vector<int> & times) {
	int N = (int) times.size();
	vector<int> gaps(N-1);
	for (int i = 0; i < N-1; i++)
		gaps[i] = times[i+1]-times[i]-1;
	sort(gaps.begin(), gaps.end(), greater<int>());
	int answer = times[N-1]+1 - times[0];
	for (int i = 0; i < K-1; i++) {
		answer -= gaps[i];
	}
	return answer;
}

int main() {
	ios::sync_with_stdio(false);
	cin.tie(NULL);
	int N, K;
	vector<int> times;
	cin >> N >> K;
	times = vector<int>(N);
	for (int i = 0; i < N; i++)
		cin >> times[i];
	cout << solve(K, times) << '\n';
	return 0;
}

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