Stack/Queue HackerRank Algorithms in Java ‘Queues: A Tale of Two Stacks’ solution
Problem A queue is an abstract data type that maintains the order in which elements were added to it, allowing the oldest elements to be removed from the fro...
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Greedy HackerRank Algorithms in Java ‘Greedy Florist’ solution
Problem A group of friends want to buy a bouquet of flowers. The florist wants to maximize his number of new customers and the money he makes. To do this, he...
Hash HackerRank Algorithms in Java ‘Ice Cream Parlor’ solution
Problem Each time Sunny and Johnny take a trip to the Ice Cream Parlor, they pool their money to buy ice cream. On any given day, the parlor offers a line of...
BruteForceSearch HackerRank Algorithms in Java ‘Sherlock and Anagrams’ solution
Problem Two strings are anagrams of each other if the letters of one string can be rearranged to form the other string. Given a string, find the number of pa...
Arrays HackerRank Algorithms ‘New Year Chaos’ solution
Problem It’s New Year’s Day and everyone’s in line for the Wonderland rollercoaster ride! There are a number of people queued up, and each person wears a sti...