Submission #162935

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Source Code Expand

import java.util.*;

public class Main {

    static Scanner scanner = new Scanner(System.in);

    public static void main(String[] args) {
        new Main();
    }

    Main() {
        int A = scanner.nextInt();
        int B = scanner.nextInt();
        int count = 0;
        for(int i = A ; i <= B ; i++) {
            String s = String.valueOf(i);
            if(s.contains("4") || s.contains("9")) {
                count++;
            }
        }
        System.out.println(count);
    }
}

Submission Info

Judge Result