Grokking the Engineering Manager Coding Interview
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Reverse a Queue (easy)
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Problem Statement

Examples

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Problem Statement

Given the head of a singly linked list, return the head of the reversed list.

Examples

Example 1:

  • Input: [3, 5, 2]
  • Expected Output: [2, 5, 3]
  • Justification: Reversing the list [3, 5, 2] gives us [2, 5, 3].

Example 2:

  • Input: [7]
  • Expected Output: [7]
  • Justification: Since there is only one element in the list, the reversed list remains the same.

Example 3:

  • Input: [-1, 0, 1]
  • Expected Output: [1, 0, -1]
  • Justification: The list is reversed, so the elements are in the order [1, 0, -1].

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Try solving this question here:

Python3
Python3
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On this page

Problem Statement

Examples

Try it yourself