Submission #595452

#	Time	Username	Problem	Language	Result	Execution time	Memory
595452		Belphegor	Stove (JOI18_stove)	C++14	100 / 100	26 ms	2336 KiB

stove

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
int T[100005];
int main(){
	ios_base::sync_with_stdio(false); cin.tie(NULL);
	int n,k; cin>>n>>k;
	for(int i=1; i<=n; i++) cin>>T[i];
	priority_queue<int,vector<int>,less<int>>pq;
	for(int i=1; i<n; i++) pq.push(T[i+1] - (T[i] + 1));
	int ans = T[n] + 1 - T[1];
	while(k>1){
		--k;
		ans-=pq.top();
		pq.pop();
	}
	cout<<ans;
}

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