Submission #928508

#	Time	Username	Problem	Language	Result	Execution time	Memory
928508		ting39	Stove (JOI18_stove)	C++17	100 / 100	41 ms	2140 KiB

stove

#include<bits/stdc++.h>
#define int long long
using namespace std;
signed main(){
	int n,k;
	cin>>n>>k;
	vector<int> v(n-1);
	int ans=n,pre;
	cin>>pre;
	for(int i=0;i<n-1;i++){
		int a;
		cin>>a;
		v[i]=a-pre-1;
		pre=a;
	}
	sort(v.begin(),v.end());
	for(int i=0;i<n-k;i++) ans+=v[i];
	cout<<ans<<endl;
}

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