Submission #1143734

#	Time	Username	Problem	Language	Result	Execution time	Memory
1143734		Nomio	Stove (JOI18_stove)	C++20	100 / 100	12 ms	1476 KiB

stove

#include<bits/stdc++.h>
using namespace std;
int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	int n, k;
	cin >> n >> k;
	int a[n];
	k--;
	for(int i = 0; i < n; i++) {
		cin >> a[i];
	}
	vector<int> v;
	for(int i = 1; i < n; i++) {
		v.push_back(a[i] - a[i - 1] - 1);
	}
	sort(v.begin(), v.end());
	int s = 0;
	for(int i = 0; i < n - k - 1 ; i++) {
		s += v[i];
	}
	cout << n + s << '\n';
	return 0;
}

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