题解 | #邮箱验证#

import java.util.Scanner;

public class Main { public static void main(String[] args) { Scanner scanner=new Scanner(System.in); double num = scanner.nextDouble();

    //write your code here......
    System.out.println(Math.abs(num) + "\n" + Math.sqrt(num)+"\n" + Math.log(num)+"\n"+Math.sin(num));

}

}