Teaching Kids Programming – Perfect Number Validation Algorithm
Teaching Kids Programming: Videos on Data Structures and Algorithms A perfect number is a positive integer that is equal to the sum of its positive divisors, excluding the number …
Category: math
Construct a Spiral Matrix using Simulation Algorithm
Given a 2-d array matrix, return elements in spiral order starting from matrix. Constraints n, m ≤ 250 where n and m are the number of rows and columns …
Longest Palindromic Subsequence using Dynamic Programming Algorithm
Given a string s, find the longest palindromic subsequence’s length in s. You may assume that the maximum length of s is 1000. Example 1: Input: “bbbab” Output: 4 …
Teaching Kids Programming – Confusing Number Validation Algorithm
Teaching Kids Programming: Videos on Data Structures and Algorithms Given a number N, return true if and only if it is a confusing number, which satisfies the following condition: …
Teaching Kids Programming – Compute the Max Product of 3 Numbers in the Array
Teaching Kids Programming: Videos on Data Structures and Algorithms Given a array of numbers (more than 3 elements), not necessarily sorted, find out the max product of 3 numbers. …