Submission #1033588

#	Time	Username	Problem	Language	Result	Execution time	Memory
1033588		BuzzyBeez	Stove (JOI18_stove)	C++17	100 / 100	20 ms	1504 KiB

stove

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

int t[100008];

signed main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
	int n, k; cin >> n >> k; --k;
	int ans; vector<int> ITs;
	for (int i = 1; i <= n; ++i) cin >> t[i];
	ans = t[n] - t[1] + 1;
	for (int i = 1; i < n; ++i) ITs.push_back(t[i + 1] - t[i] - 1);
	sort(ITs.begin(), ITs.end());
	while (k && !ITs.empty()) ans -= ITs.back(), ITs.pop_back(), --k;
	cout << ans;
}

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