Submission #373908

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
373908	2021-03-06T03:13:04 Z	jfyen	A Huge Tower (CEOI10_tower)	Java 11	Compilation error	0 ms	0 KB

tower

import java.util.*;
public class CEOI_A_Huge_Tower {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		int D = sc.nextInt();
		long mod = 1000000009;
		int[] blocks = new int[N];
		for (int i = 0;i<N;i++) {
			blocks[i] = sc.nextInt();
		}
		Arrays.sort(blocks);
		long[] place = new long[N];
		long[] towers = new long[N];
		towers[0] = 1;
		//place[0] = 1;
		int lower = 0;
		for (int i = 0;i<N;i++) {
			while(lower<i) {
				if(blocks[lower]+D<blocks[i])
					lower++;
				else
					break;
			}
			//System.out.println(i+" "+lower);
			place[i] = (i-lower+1)%mod;
		}
		//System.out.println(Arrays.toString(place));
		for (int i = 1;i<N;i++) {
			towers[i] = (place[i]*towers[i-1])%mod;
		}
		System.out.println(towers[N-1]%mod);
	}

}

Compilation message

tower.java:2: error: class CEOI_A_Huge_Tower is public, should be declared in a file named CEOI_A_Huge_Tower.java
public class CEOI_A_Huge_Tower {
       ^
1 error