Submission #127208

#	Time	Username	Problem	Language	Result	Execution time	Memory
127208		gaoxam123	Stove (JOI18_stove)	C++14	0 / 100	2 ms	376 KiB

stove

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

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