External Sorting: Replacement Selection Proficiency Exercise Help Page

This exercise asks you to reproduce the actions taken by the Replacement Selection algorithm on a random array.

What to do...

Other controls

• If you want to restart the exercise, click the "Reset" button.
• If you want to back up a step and try again, click the "Undo" button.
• If you want to see the correct answer, click the "Model Answer" button to see a slideshow in a pop-up window.
  • Note: Viewing the answer will prevent you from obtaining credit for the current problem instance. So just hit "reset" when you are done viewing the model answer.
• The button with gears on it will let you set some options such as the animation speed (for the slideshow model answer) and whether the array looks like cells or bars.
• The "About" button will tell you about who wrote this, etc.
• The "Help" button got you here.