Pattern

Fast & Slow Pointers

4 problems in the roadmap use this pattern.

• Linked List Cycle Easy

  in Linked List

  Reported at: AmazonMicrosoftGoogle+4
• Middle of the Linked List Easy

  in Linked List

  Reported at: AmazonGoogleMeta+3
• Linked List Cycle II Medium

  in Linked List

  Reported at: AmazonMicrosoft
• Find the Duplicate Number Medium

  in Linked List

  Reported at: AmazonMicrosoftMeta+3