Dynamic Programming (Memoization) to Sort Integers by The Power Value
The power of an integer x is defined as the number of steps needed to transform x into 1 using the following steps: if x is even then x …
Applicable Accounting Software For Churches
Sunday service brings us all together to a place of worship. And though there are many ways to carry out Christian services, donating is, perhaps, the most popular. 1 …
How to Balance a Binary Search Tree using Recursive Inorder Traversal Algorithm?
Given a binary search tree, return a balanced binary search tree with the same node values. A binary search tree is balanced if and only if the depth of …
Finding the Lucky Numbers in a Matrix
Given a m * n matrix of distinct numbers, return all lucky numbers in the matrix in any order. A lucky number is an element of the matrix such …
Factory Design Pattern in Object Oriented Design Programming
In OOP (Object Oriented Programming), we use inheritance to achieve the polymorphism. The factory design pattern allows you to create/manage different types of classes in a single place. Let’s …
Algorithm to Find Minimum Removals to Make Valid Parentheses
Given a string s of ‘(‘ , ‘)’ and lowercase English characters. Your task is to remove the minimum number of parentheses ( ‘(‘ or ‘)’, in any positions …