Submission #1290532

#	Time	Username	Problem	Language	Result	Execution time	Memory
1290532		ey00	Stove (JOI18_stove)	C++20	100 / 100	37 ms	2332 KiB

stove

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

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