Submission #525787

#	Time	Username	Problem	Language	Result	Execution time	Memory
525787		Hanksburger	Stove (JOI18_stove)	C++17	100 / 100	23 ms	1360 KiB

stove

#include <bits/stdc++.h>
using namespace std;
int a[100005];
vector<int> v;
int main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	int n, k, ans;
	cin >> n >> k;
	for (int i=1; i<=n; i++)
		cin >> a[i];
	for (int i=1; i<n; i++)
		v.push_back(a[i+1]-a[i]-1);
	sort(v.begin(), v.end(), greater<int>());
	ans=a[n]-a[1]+1;
	for (int i=0; i<k-1; i++)
		ans-=v[i];
	cout << ans;
	return 0;
}

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