Submission #127227

#	Time	Username	Problem	Language	Result	Execution time	Memory
127227		taozai281	Stove (JOI18_stove)	C++14	100 / 100	89 ms	1148 KiB

stove

#include<bits/stdc++.h>
using namespace std;
int n,k;
int T[100010];
int d[100010];
int ans=0;
int main(){
	cin>>n>>k;
	for(int i=1;i<=n;i++)
	{
		cin>>T[i];
	}
	for(int i=2;i<=n;i++)
	{
		
			d[i-1]=T[i]-T[i-1];
	}
	sort(d+1,d+n);
	for(int i=1;i<=n-k;i++)
	{
		ans+=d[i];
	}
	ans+=k;
	cout<<ans;
	
	
}

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