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- import java.util.Scanner;
- public class InvalidNumber_10 {
- public static void main(String[] args) {
- Scanner scanner = new Scanner(System.in);
- //число -> int
- //валидно -> [100, 200] или е 0
- //невалидно -> обратното на валидно
- int number = Integer.parseInt(scanner.nextLine());
- boolean isValid = (number >= 100 && number <= 200) || number == 0;
- //isValid -> true -> валидно
- //isValid -> false -> невалидно
- if(!isValid) {
- System.out.println("invalid");
- }
- }
- }
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