Grokking the Coding Interview Patterns in JavaScript/

...

/

Solution: Linked List Cycle

Solution: Linked List Cycle

Let’s solve the Linked List Cycle problem using the Fast and Slow Pointers pattern.

We'll cover the following...

Statement

Given the head of a linked list, determine whether the list contains a cycle. A cycle exists if a node in the list can be revisited by continuously following the next pointers. Return TRUE if a cycle is present; otherwise, return FALSE.

Constraints:

Let n be the number of nodes in a linked list.

  • 0≤0\leq n ≤500\leq500
  • −105≤-10^5 \leq
...