How would you traverse through a binary search tree and print out each element in order?
Development Engineer Interview Questions
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Print the BST in level order
validate a binary tree
How to find a number which exist odd times in a list
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Reverse a linked list.
Serialize (flatten) and de-serialize a binary tree. First describe the approach, then write the code.
How would you reverse a linked list?
Given an array of integers, all but one of which appears an even number of times, find the one integer which appears an odd number of times.
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