Submission #1017994

#	Time	Username	Problem	Language	Result	Execution time	Memory
1017994		eldorbek_008	Stove (JOI18_stove)	C++17	100 / 100	52 ms	6832 KiB

stove

#include <bits/stdc++.h>

using namespace std;

#define int long long

int32_t main() {
	int n, k; cin >> n >> k;
	vector<int> t(n);
	for (int i = 0; i < n; i++) {
		cin >> t[i];
	}
	int res = t[n - 1] - t[0] + 1;
	multiset<int> d;
	for (int i = 1; i < n; i++) {
		d.insert(t[i] - t[i - 1] - 1);
	}
	int i = 0;
	auto j = d.end();
	while (i < k - 1) {
		res -= *(--j);
		i += 1;
	}
	cout << res << '\n';
}

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