Eloquent JavaScript 2nd Edition recursion exercise solution -


I tried to solve the recurring practice of online book:

Here's the question:

We have seen that% (the remaining operator) can be used to test whether this number is used to check a number or weird using% 2 or not that it is divisible There is a positive way from two to the fact that a (positive, complete) number is too odd:

  • There is also zero.
  • One is strange.
  • li>
  • For any other number, its tolerance is similar to N-2.

    Define a recurring function according to this description. Function should accept a number parameter and return a boolean.

    Check it at 50 and 75. See how it behaves at 1. Why do I do this? Can you think of a way to fix it?

    Here's what I have tried and this works: 

      function isEven (number) {if (number == 0) {back true; } And {return (-member% 2 == 0)? right wrong; } Returns also (number-2); } Console.log (isEven (-1));   
     But, this seems a wrong answer because I understand that the author wants me to use 2. I am thinking that this is the right answer or if it is wrong then someone can tell me in the right direction.   
     
     
     I think you are being confused because of this reason, because you can not understand that How recursion works. The reason for this is that N2 is taking this number and decreasing it 2 until it is zero or one. So giving us a true or false one.  
     Hope to help read about how the process of recycling works.

Comments

Post a Comment

Popular posts from this blog

Java - Error: no suitable method found for add(int, java.lang.String) -

I'm in the middle of homework work and I'm stuck. At this point in my code, I think that I should have a GUI window that opens and allows me to type "inserted text number". Notice is not going anywhere but at this point, If I pass through the problem then it will be in a linked list. I am getting two of the same error for the lines. Add (index, element); And I can not seem to get past it, there is no suitable method for the error "add (int, java. string string)". Code is below, please advise. To clarify - this will not be a method error because it is a linked list. There should not be any way involved. import java.awt. *; Import java.awt.event. *; Import javax.swing. *; Import java.util. *; Import java.util.Scanner; Import java.util.LinkedList; Public class TopTenList JFrame {Private TopTenList tt; See the Private JTextArea list; Private JTextField cmdTextField; Private JTextField resultsTestfield; // This GUI window is the code for the public toptist...
Read more

java - JPA TypedQuery: Parameter value element did not match expected type -

I am using JPA 2.0 and getting the following code in the DAO layer: Public Zero Test () {string key = "status"; String [] Conditions = {"A", "B"}; & Lt; TestTable & gt; Results = Search (Keys, Conditions); } Public listing & lt; TestTable & gt; Search (string key, object value error) {string sql = "test ndf to testlet and jade nand." + Key + "in:" + key; TypedQuery & LT; TestTable & gt; Query = entityManager.createQuery (SQL, TestTable.class); Query.setParameter (key, Arrays.asList (valueArr)) / *** Error Line *** Return query.getResultList (); } In the above error line, it throws the following exception: java.lang.IllegalArgumentException: parameter value element [[Ljava.lang.String; @ cbe5bc] did not match the expected type [java.lang.String] Why is this expected type string while actually this string []? Please help! Note: This is derived from the normal routine and is a simplified code. I can no...
Read more

c++ - static template member variable has internal linkage but is not defined -

Yes, I know, there is a question with almost the same title, but it refers to a different situation. Error message) In my case, I have a .cpp file with a big named designation name (implementation details). There is a property class template with a static data member in that name space, which I need to access from outside the unknown namespace. I give it a little bit of meat: file.hpp namespace Bar {template & lt; Typename A & gt; Struct foo {static_assert (is_same & lt; a, float & gt; :: value} is_same & lt; a, double>: value, ""); Fixed zero set_static_var (a const & x); // ...}; } and file.cpp namespace {template & lt; Typename A & gt; Struct foo_traits {// supports the implementation of several static code bars: foo & lt; & Gt; Fixed A data; }; The template's & lt; & Gt; Float foo_traits & lt; Float & gt; :: datum; // No change if this is in the global namespace template & lt; & Gt; Doub...
Read more