General Merchandise & Superstores interview questions

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“What do you know about Walmart?”

“How would you implement integer division if your language did not offer it.”

“The manager of component 'A' says his functionality is more important than that of component 'B.' The manager of component 'B' says his is more important than that of component 'A.' You can only...”

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“Write a program to find the square root of a double.”

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“Given the head pointers to two linked lists of unknown length, find the node of intersection if they do intersect.”

“Given a (potentially large) array of integers, all but one repeating an even number of times, how would you find the one repeating an odd number of times in an efficient way? eg...”

“Write a function that takes in an array and repeats an integer that appears the most.”

“how would you design how a cellphone implements its contact list when you press a certain letter. For example, If you press M it will tell you all the names starting with M. then if you press MI...”

“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.”

“Explain the data structure you would use to implement pop() and push(Object, int) for a Priority Queue.”

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