import java.util.*; public class Test10 { public static void main(String[] args){ Scanner sc=new Scanner(System.in); String[] line; line=sc.nextLine().split(" "); int n=Integer.parseInt(line[0]); int d=Integer.parseInt(line[1]); int[] x=new int[n],v=new int[n]; line=sc.nextLine().split(" "); for(int i=0;i0) t++; System.out.println(t); sc.close(); } }