Submission #1106059

#	Time	Username	Problem	Language	Result	Execution time	Memory
1106059		lufychop	Stove (JOI18_stove)	C++14	0 / 100	1 ms	336 KiB

stove

#include <bits/stdc++.h>

using namespace std;

int main(void)
{
	int n,k,ans=1;
	cin>>n>>k;
	int t[n],a[n];
	for(int i=0;i<n;i++)
	{
		cin>>t[i];
	}
	a[0]=1;
	for(int i=1;i<n;i++)
	{
		a[i]=t[i]-t[i-1]-1;
		ans=ans+a[i];
	}
	sort(a,a+n);
	for(int i=n-1;i>=n-k;i--)
	{
		ans=ans-a[i];
	}
	cout<<ans+n;
	return 0;
}
/*
3 3
1
3
6

1  1
3  2
6  3

10 5
1
2
5
6
8
11
13
15
16
20

1  1  1->3
2  1
5  3  5->9
6  1
8  2
11 3 11->14
13 2
15 2 15->17
16 1
20 4 20->21
*/

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