Data Structures

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Hackerrank Java BitSet Solution

Java's BitSet class implements a vector of bit values (i.e.:  () or

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Hackerrank Java Sort Solution

You are given a list of student information: ID, FirstName, and CGPA.

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Hackerrank Java Hashset Solution

In computer science, a set is an abstract data type that can

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Hackerrank Java List Solution

For this problem, we have  types of queries you can perform on

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Hackerrank Java Arraylist Solution

.MathJax_SVG_LineBox {display: table!important} .MathJax_SVG_LineBox span {display: table-cell!

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Hackerrank Java Subarray Solution

We define the following: A subarray of an -element array is an

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Hackerrank Java 2D Array Solution

You are given a  2D array. An hourglass in an array is

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Hackerrank Java 1D Array Solution

An array is a simple data structure used to store a collection

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Hackerrank Java Priority Queue Solution

In computer science, a priority queue is an abstract data type which

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Hackerrank Java Dequeue Solution

In computer science, a double-ended queue (dequeue, often abbreviated to deque, pronounced

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Hackerrank Java Comparator Solution

Comparators are used to compare two objects. In this challenge, you'll create

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Hackerrank Java Stack Solution

In computer science, a stack or LIFO (last in, first out) is