Development Engineer Interview Questions

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“How would you implement a top 3 word count in a text editor application?”

“What are the first 2 integers that, when added together, equal 10 in a "very large" array of unsigned integers?”

“Implement a stack using two queues.”

“Pancakes, size varies, and are put in a stack with random order. You have one operation called Flip(int[] pancakes, int k) to flip all pancakes from the top one to kth pancake, write a sort(int...”

“To return the 'm' smallest numbers from a file of 'n' numbers”

“Asked to implement a function that takes an integer and returns whether or not the number had an odd or even number of 1 bits.”

“Given a binary tree with the usual left and right pointers on each node, and additionally a parent pointer, make an algorithm to discover the closest ancestor to 2 nodes on the tree.”

“Given two very large binary trees T1, with millions of nodes, and T2, with hun- dreds of nodes, create an algorithm to decide if T2 is a subtree of T1.”

“Assume that you are given the head and tail pointers of a doubly linked list where each node can also have a single child pointer to another similar doubly linked list. There are no cycles in this...”

“Describe and code an algorithm that returns the first duplicate character in a string?”

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