DAY 55: Mastering Linked List Problems – Merge K Lists, Flatten, Clone a List with Random Pointers & Browser History | Linked List

🚀 Introduction Welcome to Day 55 of my DSA Journey!After spending an intense few weeks mastering Recursion, I’ve now shifted my focus to one of the most fundamental data structures in DSA — the Linked List. Transitioning from recursion to linked l...