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Data Structures for Coding Interviews in Python

Solution: Find the Length of a Linked List

Understand how to find the length of a singly linked list by traversing each node and counting them. This lesson guides you through a step-by-step Python implementation while explaining the algorithm's time complexity of O(n) and constant space usage.

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Statement

Given the head of a singly linked list, find the length of the linked list.

Constraints:

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

  • 0≤0 \leq n ≤500\leq 500
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