McAfee Interview Questions, Process, and Tips

Round duration - 90 minutes
Round difficulty - Medium

Q1. 
Binary Tree Level Order Traversal
Given a binary tree of integers, return the level order traversal of the tree in a single line for each test case.
Input:
The input consists of multiple test cases as d...read more
Ans. 
Return the level order traversal of a binary tree in a single line for each test case.
• Use a queue to perform level order traversal of the binary tree

• Print the nodes in level order traversal separated by a single space

• Handle null nodes represented by '-1' in the input
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Round duration - 60 minutes
Round difficulty - Medium

Q1. 
Middle Node of a Linked List Problem Statement
Given the head node of a singly linked list, return a pointer to the middle node of the linked list. If the number of elements is odd, return the middle elem...read more
Ans. 
Return the middle node of a singly linked list, or the latter of the two middle nodes if the number of elements is even.
• Traverse the linked list with two pointers, one moving twice as fast as the other.

• When the fast pointer reaches the end, the slow pointer will be at the middle node.

• If the number of elements is even, return the latter of the two middle nodes.

• Handle cases where there is only one node or no midpoint exi
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