Submission #1124878

#	Time	Username	Problem	Language	Result	Execution time	Memory
1124878		sinatbtfard	Stove (JOI18_stove)	C++20	0 / 100	0 ms	324 KiB

stove

#include <bits/stdc++.h>

using namespace std;

int main (){
	ios_base::sync_with_stdio(0);
	int n, k;
	cin >> n >> k;
	vector <int> a(n), dif;
	for (int &i : a) cin >> i;
	for (int i = 1; i < n; i++)
		dif.push_back(a[i] - a[i - 1]);
	sort(dif.begin(), dif.end());
	int sum = 0;
	for (int i = 0; i < n - k; i++)
		sum += dif[i];
	int ans = sum + k;
	for (int i = n - k; i < n - 1; i++){
		sum += dif[i];
		ans = min(ans, dif[i] + n - i);
	}
	cout << ans;
}

• Subtask 1: 0 / 20
• Subtask 2: 0 / 30
• Subtask 3: 0 / 50