Microsoft interviewers generally value a candidate's problem-solving approach and communication skills first. While optimal solutions are important, interviewers often evaluate how you reason through the problem, discuss trade-offs, and improve your solution step by step.

Yes. Microsoft is known for frequently asking Linked List problems such as reversing a linked list, detecting cycles, merging lists, copying linked lists with random pointers, and reversing nodes in groups.

Almost always. Interviewers commonly ask candidates to optimize their solution, handle additional constraints, analyze complexity, or extend the original problem with new requirements.