제출 #727148

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
727148		dn4271	A Huge Tower (CEOI10_tower)	Java	85 / 100	1062 ms	24464 KiB

tower

import java.util.*;

public class tower {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner input = new Scanner(System.in);
		int n = input.nextInt();
		int d = input.nextInt();
		int[] blocks = new int[n];
		for (int i = 0; i < n; i++) {
			blocks[i] = input.nextInt();
		}
		
		Arrays.sort(blocks);
		
		int[] tolerance = new int[n];
		tolerance[0] = 1;
		for (int i = 1; i < n; i++) {
			int j = 0;
			while (blocks[i] - blocks[j] > d) {
				j++;
			} 
			tolerance[i] = i - j + 1;
		}
		
		long answer = 1;
		
		for (int i: tolerance) {
			answer = answer * i;
			answer = answer % (1000000009);
		}
		
		System.out.println(answer);
	}

}

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 5 / 5
• Subtask 5: 5 / 5
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• Subtask 15: 5 / 5
• Subtask 16: 5 / 5
• Subtask 17: 5 / 5
• Subtask 18: 0 / 5
• Subtask 19: 0 / 5
• Subtask 20: 0 / 5