Submission #1186719

---

Source Code Expand

import java.util.*;
public class Main {
	static Scanner s = new Scanner(System.in);
	public static void main(String __[]){
		int x[]=new int[1114_514],n=s.nextInt(),t=s.nextInt(),buf;
		for(int i=0;i<n;i++) {
			buf=Integer.parseInt(s.next());
			x[buf]++;
			x[buf+t]--;
		}
		Arrays.parallelPrefix(x, (a,b)->a+b);
		System.out.println(Arrays.stream(x).parallel().filter(i->i>0).count());
	}
}

Submission Info

Judge Result