| Domain | Subdomain | Challenge | Difficulty | Solution |
|---|---|---|---|---|
| Data Structures | Arrays | Arrays - DS | Easy | Solution.java |
| Data Structures | Arrays | 2D Array - DS | Easy | Solution.java |
| Data Structures | Arrays | Dynamic Array | Easy | Solution.java |
| Data Structures | Arrays | Left Rotation | Easy | Solution.java |
| Data Structures | Arrays | Sparse Arrays | Medium | Solution.java |
| Data Structures | Arrays | Algorithmic Crush | Hard | Solution.java |
| Data Structures | Linked List | Print the Elements of a Linked List | Easy | Solution.java |
| Data Structures | Linked List | Insert a Node at the Tail of a Linked List | Easy | Solution.java |
| Data Structures | Linked List | Insert a node at the head of a linked list | Easy | Solution.java |
| Data Structures | Linked List | Insert a node at a specific position in a linked list | Easy | Solution.java |
| Data Structures | Linked List | Delete a Node | Easy | Solution.java |
| Data Structures | Linked List | Print in Reverse | Easy | Solution.java |
| Data Structures | Linked List | Reverse a linked list | Easy | Solution.java |
| Data Structures | Linked List | Compare two linked lists | Easy | Solution.java |
| Data Structures | Linked List | Merge two sorted linked lists | Easy | Solution.java |
| Data Structures | Linked List | Get Node Value | Easy | Solution.java |
| Data Structures | Linked List | Delete duplicate-value nodes from a sorted linked list | Easy | Solution.java |
| Data Structures | Linked List | Cycle Detection | Medium | Solution.java |
| Data Structures | Linked List | Find Merge Point of Two Lists | Easy | Solution.java |
| Data Structures | Linked List | Inserting a Node Into a Sorted Doubly Linked List | Easy | Solution.java |
| Data Structures | Linked List | Reverse a doubly linked list | Easy | Solution.java |
| Data Structures | Trees | Tree: Preorder Traversal | Easy | Solution.java |
| Data Structures | Trees | Tree: Postorder Traversal | Easy | Solution.java |
| Data Structures | Trees | Tree: Inorder Traversal | Easy | Solution.java |
| Data Structures | Trees | Tree: Height of a Binary Tree | Easy | Solution.java |
| Data Structures | Trees | Tree: Top View | Easy | Solution.java |
| Data Structures | Trees | Tree: Level Order Traversal | Easy | Solution.java |
| Data Structures | Trees | Binary Search Tree: Insertion | Easy | Solution.java |
| Data Structures | Trees | Tree: Huffman Decoding | Medium | Solution.java |
| Data Structures | Trees | Binary Search Tree: Lowest Common Ancestor | Easy | Solution.java |
| Data Structures | Trees | Swap Nodes [Algo] | Medium | Solution.java |
| Data Structures | Trees | Is This a Binary Search Tree? | Medium | Solution.java |
| Data Structures | Trees | Square-Ten Tree | Hard | Solution.java |
| Data Structures | Trees | Balanced Forest | Hard | Coming Soon! |
| Data Structures | Balanced Trees | Self Balancing Tree | Medium | Coming Soon! |
| Data Structures | Balanced Trees | Array and simple queries | Hard | Coming Soon! |
| Data Structures | Balanced Trees | Median Updates | Hard | Coming Soon! |
| Data Structures | Stacks | Maximum Element | Easy | Solution.java |
| Data Structures | Stacks | Balanced Brackets | Medium | Solution.java |
| Data Structures | Stacks | Largest Rectangle | Hard | Coming Soon! |
| Data Structures | Stacks | Simple Text Editor | Medium | Coming Soon! |
| Data Structures | Stacks | Equal Stacks | Easy | Coming Soon! |
| Data Structures | Stacks | Poisonous Plants | Hard | Coming Soon! |
| Data Structures | Stacks | AND xor OR | Hard | Coming Soon! |
| Data Structures | Stacks | Waiter | Medium | Coming Soon! |
| Data Structures | Queues | Queue using Two Stacks | Medium | Solution.java |
| Data Structures | Queues | Castle on the Grid | Medium | Coming Soon! |
| Data Structures | Queues | Down to Zero II | Medium | Coming Soon! |
| Data Structures | Queues | Truck Tour | Hard | Coming Soon! |
| Data Structures | Queues | Queries with Fixed Length | Hard | Coming Soon! |
| Data Structures | Heap | QHEAP1 | Easy | Coming Soon! |
| Data Structures | Heap | Jesse and Cookies | Easy | Coming Soon! |
| Data Structures | Heap | Find the Running Median | Hard | Solution.java |
| Data Structures | Heap | Minimum Average Waiting Time | Hard | Coming Soon! |
| Data Structures | Disjoint Set | Merging Communities | Hard | Coming Soon! |
| Data Structures | Disjoint Set | Components in a graph | Medium | Coming Soon! |
| Data Structures | Disjoint Set | Kundu and Tree | Hard | Coming Soon! |
| Data Structures | Disjoint Set | Super Maximum Cost Queries | Hard | Coming Soon! |
| Data Structures | Multiple Choice | Data Structures MCQ 1 | Hard | Solution.java |
| Data Structures | Multiple Choice | Data Structures MCQ 2 | Hard | Solution.java |
| Data Structures | Multiple Choice | Data Structures MCQ 3 | Hard | Solution.java |
| Data Structures | Trie | Contacts | Medium | Solution.java |
| Data Structures | Trie | No Prefix Set | Hard | Coming Soon! |
| Data Structures | Advanced | Kindergarten Adventures | Medium | Coming Soon! |
| Data Structures | Advanced | Cube Summation | Hard | Coming Soon! |
| Data Structures | Advanced | Mr. X and His Shots | Medium | Coming Soon! |
| Data Structures | Advanced | Direct Connections | Hard | Coming Soon! |
| Data Structures | Advanced | Subsequence Weighting | Advanced | Coming Soon! |
| Data Structures | Advanced | Jim and the Skyscrapers | Medium | Coming Soon! |
| Data Structures | Advanced | Counting On a Tree | Expert | Coming Soon! |
| Data Structures | Advanced | Unique Colors | Advanced | Coming Soon! |
| Data Structures | Advanced | Self-Driving Bus | Advanced | Coming Soon! |
| Data Structures | Advanced | Fibonacci Numbers Tree | Expert | Coming Soon! |
| Data Structures | Advanced | Functional Palindromes | Advanced | Coming Soon! |
| Data Structures | Advanced | Lazy White Falcon | Hard | Coming Soon! |
| Data Structures | Advanced | Ticket to Ride | Expert | Coming Soon! |
| Data Structures | Advanced | Heavy Light White Falcon | Hard | Coming Soon! |
| Data Structures | Advanced | Sum of the Maximums | Advanced | Coming Soon! |
| Data Structures | Advanced | Heavy Light 2 White Falcon | Hard | Coming Soon! |
| Data Structures | Advanced | Library Query | Advanced | Coming Soon! |
| Data Structures | Advanced | Starfleet | Advanced | Coming Soon! |
| Data Structures | Advanced | Almost Equal - Advanced | Expert | Coming Soon! |
| Data Structures | Advanced | Almost sorted interval | Expert | Coming Soon! |
| Data Structures | Advanced | Burger Happiness | Hard | Coming Soon! |
| Data Structures | Advanced | Roy and alpha-beta trees | Hard | Coming Soon! |
| Data Structures | Advanced | Coloring Tree | Hard | Coming Soon! |
| Data Structures | Advanced | Recalling Early Days GP with Trees | Hard | Coming Soon! |
| Data Structures | Advanced | Swaps and Sum | Advanced | Coming Soon! |
| Data Structures | Advanced | Arithmetic Progressions | Advanced | Coming Soon! |
| Data Structures | Advanced | Coolguy and Two Subsequences | Advanced | Coming Soon! |
| Data Structures | Advanced | White Falcon And Tree | Hard | Coming Soon! |
| Data Structures | Advanced | Subtrees And Paths | Advanced | Coming Soon! |
| Data Structures | Advanced | Triplets | Advanced | Coming Soon! |
| Data Structures | Advanced | Beautiful Segments | Expert | Coming Soon! |
| Data Structures | Advanced | Divisibility | Expert | Coming Soon! |
| Data Structures | Advanced | BST maintenance | Advanced | Coming Soon! |
| Data Structures | Advanced | Find Maximum Index Product | Medium | Coming Soon! |
| Data Structures | Advanced | Taxicab Driver's Problem | Advanced | Coming Soon! |
| Data Structures | Advanced | Jaggu Playing with Balloons | Advanced | Coming Soon! |
| Data Structures | Advanced | Dynamic Summation | Hard | Coming Soon! |
| Data Structures | Advanced | Two Array Problem | Hard | Coming Soon! |
| Data Structures | Advanced | Rooted Tree | Hard | Coming Soon! |
| Data Structures | Advanced | The crazy helix | Advanced | Coming Soon! |
| Data Structures | Advanced | Network administration | Hard | Coming Soon! |
| Data Structures | Advanced | Easy Addition | Expert | Coming Soon! |
| Data Structures | Advanced | Find the permutation | Expert | Coming Soon! |
| Data Structures | Advanced | Company Retreat | Advanced | Coming Soon! |
Data Structures
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