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. …
A Concise Python Function to Check Subsequence using Iterator
Given a list/array/string in Python, find out if it is the subsequence of another. A subsequence X of Y is the sequence that removes non or more elements of …
The C++ template for Printing the Vector/List/Set/Map by Overriding the cout Operator?
The cout is a very easy but powerful techique to debug (for example, submiting code to Online Judge). However, by default, the C++ cout does not accept the vector …