Find Only Missing Number Between 0 and N
An array contains all the integers from 0 to n, except for one number which is missing. Write code to find the missing integer. Can you do it in O(n) …
Category: python
Teaching Kids Programming – Algorithms to Check Integer Power of Three
Teaching Kids Programming: Videos on Data Structures and Algorithms Given an integer n, return true if it is a power of three. Otherwise, return false. An integer n is …
Dynamic Programming Algorithms to Count the Stepping Numbers
A number is called stepping number if all adjacent digits have an absolute difference of 1. For example, 321 is a stepping number while 421 is not. Given an …
Teaching Kids Programming – Add One to List
January 31, 2021
algorithms, python, teaching kids programming, windows batch, youtube video
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Teaching Kids Programming: Videos on Data Structures and Algorithms Given a non-empty array of decimal digits representing a non-negative integer, increment one to the integer. The digits are stored such that …
Recursive Algorithm to Cut a Binary Search Tree (Remove Nodes Not In Range)
Given a binary search tree root, an integer lo, and another an integer hi, remove all nodes that are not between inclusive. Constraints n ≤ 100,000 where n is …