Practice Linked Lists, Stacks and Queues, Recursion

Master these fundamental data structures and concepts to build a strong foundation for your programming journey.

Practice Exercises

Now it's time to practice what you learned!

You should have already created your Code Signal account. If you have not done so yet, please follow these instructions What is CodeSignal and How to Create Your Account.

Tip:  Before you dive into the practice tasks, revisit the core competency and guided project videos in this sprint.


Complete these tasks in CodeSignal:

ACS2M1

ACS2M2

ACS2M3


  1. Login to CodeSignal
  2. Click on the task links above
  3. Select your preferred language
  4. Click on NEXT to begin
  5. Agree with the Terms and Pledges and click START

Once all the questions for each task are completed in Code Signal, click on Finish the Test.