How to count occurrences of a word in a sentence [python]
Engineers Interview Questions
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Coding Challenge 2) You will be given N number of points as an array (CPPoint class). CPPoint class will have x and y coordinate. Find the closest k number of points from the origin.
Debugging section consists of basic algorithm and data structures while analytical sections consists of analogy based questions.
You are in charge of a production line and one of the safety guarding is missing on conveyor. The production supervisor wants to start production. What would you do?
You have seven stones and a weighing scale. Six of the stones are equal in weight and one is lighter. How will you figure out which one is lighter ? Minimum tries required to do so ?
Is batman a super hero?
how to test a toaster?
I have three water jugs, one with 10 liters another with 5 and another with 6, how do i get 8 liters on the first one?
How to reverse a space-delimited-string word by word
Given a binary tree, how would you set the keys/values of all the nodes and their child pointers to null. No language restriction. Do it iteratively in O(N) time with O(1) space complexity where N is the number of nodes in the tree. Other Details: - Tree is just a regular Binary Tree and doesn't have the BST property. - It is not guaranteed to be balanced. - You may do whatever you want to the tree however, you must ensure that all the nodes in the tree and their left/right pointers are set to null.
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