HackerRank Data Structures SolutionsHere we are including all the hackerrank Data Structures problems solutions in Python, Java, C++, C and Javascript programming with practical programs and code.Using these problems and their solutions you can learn about the different concepts of data structures.HackerRank Data Structures problems solutionsArrays – DS solution2D Array – DS solutionDynamic Array solutionLeft Rotation solutionSparse Arrays solutionArray Manipulation solutionPrint the Element of a Linked list solutionInsert a Node at the Tail of a Linked List solutionInsert a node at the head of a linked list solutionInsert a node at a specific position in a linked list solutionDelete a Node solutionPrint in Reverse solutionReverse a linked list solutionCompare two linked lists solutionMerge two sorted linked lists solutionGet Node Value solutionDelete duplicate-value nodes from a sorted linked list solutionCycle detection solutionFind Merge point of two lists solutionInserting a Node into a sorted doubly linked list solutionReverse a doubly linked list solutionTree: Preorder traversal solutionTree: Postorder Traversal solutionTree: Inorder Traversal solutionTree: Height of a binary tree solutionTree: Top View solutionTree: Level Order Traversal solutionBinary Search Tree: Insertion solutionTree: Huffman Decoding solutionBinary Search Tree: Lowest Common Ancestor solutionSwap Nodes [Algo] solutionKitty’s Calculations on a Tree solutionIs This a binary search tree? solutionSquare-Ten Tree solutionBalanced Forest solutionJenny’s Subtrees solutionTree Coordinates solutionArray Pairs solutionSelf balancing tree solutionArray and simple queries solutionMedian Updates solutionMerging Communities solutionQHEAP1 solutionMaximum element solutionQueue using two stacks solutionComponents in a graph solutionBalanced Brackets solutionCastle on the Grid solutionJesse and Cookies solutionKundu and Tree solutionFind the running median solutionDown to Zero II solutionEqual Stacks solutionMinimum Average Waiting Time solutionTruck Tour solutionGame of Two stacks solutionLargest Rectangle solutionQueries with Fixed length solutionSuper maximum cost queries solutionSimple Text Editor solutionPoisonous Plants solutionAND xor OR solutionWaiter solutionContacts solutionNo Prefix Set solutionKindergarten Adventures solutionCube Summation solutionMr. X and His Shots solutionDirect Connections solutionSubsequence Weighting solutionJim and the Skyscrapers solutionPalindromic Subsets solutionCounting On a Tree solutionPolynomial Division solutionCostly Intervals solutionThe Strange Function solutionSelf-Driving Bus solutionUnique Colors solutionFibonacci Numbers Tree solutionPair Sums solutionFunctional Palindromes solutionLazy White Falcon solutionTicket to Ride solutionHeavy Light White Falcon solutionSum of the Maximums solutionNumber Game on a Tree solutionHeavy Light 2 White Falcon solutionLibrary Query solutionStarfleet solutionAlmost Equal – Advanced solutionAlmost sorted interval solutionBurger Happiness solutionRoy and alpha-beta trees solutionColoring Tree solutionRecalling Early Days GP with Trees solutionSwaps and Sum solutionArithmetic Progressions solutionCoolguy and Two Subsequences solutionWhite Falcon and Tree solutionSubtrees and paths solutionTriplets solutionBeautiful segments solutionDivisibility solutionBST maintenance solutionFind Maximum Index Product solutionTaxicab Driver’s Problem solutionDynamic summation solutionTwo Array problem solutionRooted tree solutionThe crazy helix solutionNetwork administration solutionEasy Addition solutionFind the permutation solutionCompany Retreat solutionBox Operations solutionMax Transform solution