Submission #1124879

#	Time	Username	Problem	Language	Result	Execution time	Memory
1124879		sinatbtfard	Stove (JOI18_stove)	C++20	100 / 100	17 ms	1476 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 ans = 0;
	for (int i = 0; i < n - k; i++)
		ans += dif[i];
	cout << ans + k;
}

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