Find the numbers in an array that appear an odd number of times.
Engineer Intern Interview Questions
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How would you store and search 1 million names?
Print a binary tree level by level in zigzag order
You have a box of red balls, a box of blue balls, and a box of red and blue balls. What is the minimum number of boxes you can open and know what is the contents of each box?
Give me 5 different ways of finding the median (middle element) of a linked list. For the sake of simplicity, assume the list has odd number of ints. Also mention the runtime for each. Follow up: What's the fastest way you could find the median? What is the runtime? Oh.. and yes, code your answer(s) in any language of your preference.
Implement integer division
Logical Reasoning Goal: The person to reach 50 first wins. Rules: Play with another person, say a number, and the other person can say any number upto 10 over your number.
How can one implement a queue with only a stack implementation?
Implement the functions for a stack and function getMinimum() all with O(1) complexity.
1) Given an array of numbers where each number has a duplicate except one, write a program to return the lone number.
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