Write a function that prints a binary tree level-by-level.
Developer Intern Interview Questions
12,169 developer intern interview questions shared by candidates
Given a library of numbers to corresponding letters (1 = a, 2 = b, 3 = c, etc.) and a string made up of digits, return how many different ways those digits can be translated to letters. ex: “1111”: “aaaa” “kaa” “aka” “aak” “kk” => 5 different ways
What are the major principles of the object oriented programming?
Use C to count the number of set bits in an int.
Not very difficult - logic questions involving a different language.
Given the sum, find all pairs of 2 numbers that have the sum.
Given a word (does not have to be an actual word, just a string of capital letters), return the alphabetical rank of that word out of all possible combinations of the given set of letters.
Design a class to implement a queue which supports pop from head, push from end and delete at any position of the queue.
Implement mergesort in language of choice (chose java)
There are three lightbulbs in a room and three switches which each controls a lightbulb in another room. You can only go into the room with light bulbs once. How can you identify which light bulb is controlled by which switch?
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