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Data structure is among the most critical concepts asked in coding interview assessments at tech companies. This includes product-based companies like Amazon and Microsoft to service companies like TCS and Accenture. And within data structure, you’re bound to get the ‘Reverse a Linked List in Groups’ question. How you reverse a linked list is critical to cracking the interview round. The reason why applicants have a hard time solving this problem is because they don’t know what a linked list is and how to reverse it. Well, tha... more