How to Compute the Clumsy Factorials using Iterative Algorithm?
Normally, the factorial of a positive integer n is the product of all positive integers less than or equal to n. For example, factorial(10) = 10 * 9 * …
Category: algorithms
SQL Algorithm to Compute Shortest Distance in a Plane
Given the following SQL Schema, CREATE TABLE If Not Exists point_2d (x INT NOT NULL, y INT NOT NULL) Truncate table point_2d insert into point_2d (x, y) values ('-1', …
How to Count Univalue Subtrees in a Binary Tree?
Given a binary tree, count the number of uni-value subtrees. A Uni-value subtree means all nodes of the subtree have the same value. Example : Input: root = 5 …
The Valid Mountain Array Algorithm
Given an array A of integers, return true if and only if it is a valid mountain array. Recall that A is a mountain array if and only if: …
The Algorithm to Construct the Rectangle Given Its Area
For a web developer, it is very important to know how to design a web page’s size. So, given a specific rectangular web page’s area, your job by now …