Hacker Rank Problem Weighted Uniform String Solution
A weighted string is a string of lowercase English letters where each letter has a weight in the inclusive range from to 26,…
BE Passionate BE Crazy
A weighted string is a string of lowercase English letters where each letter has a weight in the inclusive range from to 26,…
In computer science, a set is an abstract data type that can store certain values, without any particular order, and…
You are given a 6 * 6 2D array. An hourglass in an array is a portion shaped like this: a…
Let’s play a game on an array! You’re standing at index 0 of an n-element array named game. From some index…
Java’s BigDecimal class can handle arbitrary-precision signed decimal numbers. Let’s test your knowledge of them! Given an array, s, of…
In a tag-based language like XML or HTML, contents are enclosed between a start tag and an end tag like <tag>contents</tag>. Note that the corresponding end tag starts with a /.…
A username is considered valid if all the following constraints are satisfied: The username consists of 8 to 30 characters inclusive, i.e.,…
In this challenge, we use regular expressions (RegEx) to remove instances of words that are repeated more than once, but…