First explain what a tree, then binary tree, then a binary search tree is. Now implement a function that verifies whether a binary tree is a valid binary search tree.
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Write a code for determining the given integer is palindrome in binaries.
I got questions like "Given a dictionary of words, how do you calculate the anagrams for a new word".
- Reverse DNS - 3-way handshake - What is NULL (SQL)
Find the longest subarray which consists of numbers that can be arranged in a continuous sequence. For ex- {4,5,1,5,7,6,8,4,1} output-{5,7,6,8,4}.Find the longest.
How would you code up a custom rectangle detector?
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 it will tell you all names starting from MI and so forth....
Given 2 numbers. Find if they are consecutive grey code sequences
How to count occurrences of a word in a sentence [python]
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.
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