Submission #927537

#	Time	Username	Problem	Language	Result	Execution time	Memory
927537		ay136416	A Huge Tower (CEOI10_tower)	Java	Compilation error	0 ms	0 KiB

tower

import java.io.BufferedReader;
import java.io.IOException;
import java.util.*;
public class Towers {
    final static long MOD = 1_000_000_009;
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader();
        String[] tokens = br.readLine().split(" ");
        final int N = Integer.parseInt(tokens[0]);
        final int D = Integer.parseInt(tokens[1]);
        int[] blocks = new int[N];
        tokens = br.readLine().split(" ");
        for (int i = 0; i<N; i++) {
            blocks[i]=Integer.parseInt(tokens[i]);
        }
        Arrays.sort(blocks);
        long ans = 1;
        int right = 0;
        for (int left = 0; left<N; left++) {
            while (right<N-1 && blocks[right+1]-blocks[left]<=D) 
                right++;
            ans *= (right-left+1);
            ans %= MOD;
        }
        System.out.println(ans);
    }
}

Compilation message (stderr)

tower.java:4: error: class Towers is public, should be declared in a file named Towers.java
public class Towers {
       ^
tower.java:7: error: no suitable constructor found for BufferedReader(no arguments)
        BufferedReader br = new BufferedReader();
                            ^
    constructor BufferedReader.BufferedReader(Reader,int) is not applicable
      (actual and formal argument lists differ in length)
    constructor BufferedReader.BufferedReader(Reader) is not applicable
      (actual and formal argument lists differ in length)
2 errors