Submission #1185645

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Source Code Expand

import java.util.Scanner;

public class Main {
  public static void main(String[] args) {

      Scanner scanner = new Scanner(System.in);


      long start = scanner.nextLong();
      long end = scanner.nextLong();

      // カウンター
      long counter = 0L;

      for (long i = start; i <= end; i++) {
          String str = String.valueOf(i);
          if (str.indexOf("4") != -1 || str.indexOf("9") != -1) {
              counter++;
          }
      }
      System.out.println(String.valueOf(counter));
  }

}

Submission Info

Judge Result