Grokking Algorithm Complexity and Big-O
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Linked List
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A Linked List is a data structure where each element (node) contains a value and a reference (or link) to the next node in the sequence. Linked lists are dynamic and can grow or shrink easily by adding or removing nodes. Let’s explore the time and space complexities for common linked list operations.

Basic Operations on Linked List

Time Complexity Analysis for Linked List Operations

  • Access Element: O(n) – Traversing each node from the head is necessary to reach a specific node.
  • Insertion:
    • Beginning: O(1) – Adding a node to the head is immediate.

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