Submission #1254754

#	Time	Username	Problem	Language	Result	Execution time	Memory
1254754		MuhammadSaram	Stove (JOI18_stove)	C++20	100 / 100	28 ms	1440 KiB

stove

#include <bits/stdc++.h>

using namespace std;

int main()
{
	int n,k;
	cin>>n>>k;
	int a[n];
	vector<int> v;
	for (int i=0;i<n;i++)
		cin>>a[i];
	for (int i=0;i+1<n;i++)
		v.push_back(a[i]-a[i+1]+1);
	sort(v.begin(),v.end());
	v.resize(k-1);
	int ans=a[n-1]-a[0]+1;
	for (int i:v) ans+=i;
	cout<<ans<<endl;

	return 0;
}

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