Submission #988963

#	Time	Username	Problem	Language	Result	Execution time	Memory
988963		Muhammet	Stove (JOI18_stove)	C++17	100 / 100	15 ms	2468 KiB

stove

#include <bits/stdc++.h>
using namespace std;

#define N 300005
#define ll long long int
#define sz(x) (int)x.size()
#define ff first
#define ss second

int T, n, a[N], k;

int main(){
	ios::sync_with_stdio(false); cin.tie(0);

	cin >> n >> k;
	for(int i = 1; i <= n; i++){
		cin >> a[i];
	}
	sort(a+1,a+n+1);
	vector <int> v;
	for(int i = 1; i < n; i++){
		v.push_back(a[i+1]-a[i]-1);
	}
	sort(v.rbegin(), v.rend());
	int ans = n;
	k -= n;
	while(sz(v) > 0 and k < 0){
		k++;
		ans += v.back();
		v.pop_back();
	}
	cout << ans << '\n';
	
	return 0;
}

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