Submission #1274714

#	Time	Username	Problem	Language	Result	Execution time	Memory
1274714		muhammad-ahmad	Stove (JOI18_stove)	C++20	100 / 100	38 ms	2332 KiB

stove

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

#define int long long
#define endl '\n'

signed main(){
	int n, k; cin >> n >> k;
	int ans = 0, a[n + 1];
	a[0] = -1;
	for (int i = 1; i <= n; i++) cin >> a[i];
	sort(a + 1, a + n + 1);
	vector<int> dif;
	for (int i = 1; i <= n; i++){
		if (a[i] - a[i - 1] != 1) {
			ans++;
			if (i > 1) dif.push_back(a[i] - a[i - 1] - 1);
		}
	}
	int l = n;
	sort(dif.rbegin(), dif.rend());
	while (ans > k){
		ans--;
		l += dif.back();
		dif.pop_back();
	}
	cout << l << endl;
}

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