Submission #209703

#	Time	Username	Problem	Language	Result	Execution time	Memory
209703		kshitij_sodani	Stove (JOI18_stove)	C++17	100 / 100	31 ms	2424 KiB

stove

#include <iostream>
#include <bits/stdc++.h>
using namespace std;
#define mp make_pair
#define pb push_back
typedef long long int llo;
#define a first
#define  b second
#define endl "\n"
int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	int n,k;
	cin>>n>>k;
	int it[n];
	for(int i=0;i<n;i++){
		cin>>it[i];
	}
	vector<int> ss;
	int ans=it[n-1]-it[0]+1;
	for(int i=0;i<n-1;i++){
		ss.pb(it[i+1]-it[i]-1);
	}
	sort(ss.begin(),ss.end());
	int ind=ss.size()-1;
	for(int i=0;i<k-1;i++){
		ans-=ss[ind];
		ind-=1;
	}
	cout<<ans<<endl;




	return 0;
}

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