Submission #931255

#	Time	Username	Problem	Language	Result	Execution time	Memory
931255		ys2	Stove (JOI18_stove)	C++14	0 / 100	0 ms	348 KiB

stove

#include <bits/stdc++.h>
using namespace std;
#define int long long
int n, k, prev, cur, ans;
vector <int> gaps;
signed main(){
	cin.tie(0);
	ios_base::sync_with_stdio(0);
	cin>>n>>k;
	int prev=0;
	ans=n;
	for (int i=0; i<n; i++){
		int cur;
		cin>>cur;
		if ((cur-prev)!=1){
			//cout<<cur-prev<<'\n';
			gaps.push_back(cur-prev-1);
		}
		prev=cur;
	}
	int s=gaps.size();
	//cout<<s<<'s';
	sort(gaps.begin(), gaps.end());
	for (int i=0; i<s-k+1; i++){
		ans+=gaps[i];
	}
	cout<<ans;
	return 0;
}

• Subtask 1: 0 / 20
• Subtask 2: 0 / 30
• Subtask 3: 0 / 50