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Time Complexity: O (N log N) (because of sorting) Space Complexity: O (N) (extra array storage) ⚠️ Drawback: This approach breaks the linked list structure and uses extra space, which isn’t optimal ...

Doubly Linked List: Each node has data + next + previous pointers. Can be traversed both directions. Uses more memory, but easier deletions. ⚙️ Example: Browser history, music playlist navigation. 💡 ...

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