Submission #974325

#	Time	Username	Problem	Language	Result	Execution time	Memory
974325		tamir1	Stove (JOI18_stove)	C++17	100 / 100	15 ms	2272 KiB

stove

#include<bits/stdc++.h>
using namespace std;
int n,m,i,k,t[100005],ans;
vector<int> v;
set<int> s;
int main(){
	ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	cin >> n >> k;
	for(i=1;i<=n;i++){
		cin >> t[i];
		if(i!=1) v.push_back(t[i]-t[i-1]-1);
	}
	ans=n;
	sort(v.begin(),v.end());
	i=0;
	while(n>k){
		ans+=v[i];
		i++;
		n--;
	}
	cout << ans;
}

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