Submission #1257448

#	Time	Username	Problem	Language	Result	Execution time	Memory
1257448		iq500	Stove (JOI18_stove)	C++20	100 / 100	28 ms	1096 KiB

stove

#include <bits/stdc++.h>

using namespace std;

vector<vector<int>> g, gh, comps;


int main(){
	int n, k; cin>>n>>k;
	int arr[n], ara[n-1];
	for(int i=0; i<n; i++){
		cin>>arr[i];
		if(i!=0){
			ara[i-1]=arr[i]-arr[i-1];
		}
	}
	sort(ara, ara+n-1);
	int ans=k;

	for(int i=0; i<n-k; i++){
		ans+=ara[i];
	}
	cout<<ans;

	return 0;
}

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