• Time Complexity analysis using Big O Notation
• Space Complexity analysis using Big O Notation
• Techniques to find time & space complexity
• Array overview & introduction
• Searching algorithms Introduction & Implementation
• Binary search algorithm, implementation with examples
• Searching max value in ordering array & rotational array using binary search
• Sorting Algorithms & Implementation
• Find Inversion array & median of two array using merge sort
• Shuffling array element by segregate 0’s,1’s & 2’s with moving 0’s to end

Assignments & Assignments Discussion

• Assignments based on binary search algorithms
• Assignments based on Array basic computation

• Linear time approach to find next smallest palindrome & next greater number in array
• Minimum Window Substring & two pointers techniques
• Distinct window substring & remove duplicates from order, un-ordered strings
• Quick sort approach for maximum Sum Subarray, Kth smallest element in an array
• Xor techniques to find one & two unique element in an array
• Trapping Rain Water, Rearrange array for max( arr[i] - arr[j])
• Design array data structures with O(1) operations

Assignments & Assignments Discussion

• Assignments based on sorting algorithms
• Assignments based on merge sort efficient algorithms techniques
• Assignments based on Array medium level difficultly problems

• Techniques to solve matrix related problems(2-D array)
• Spiral order traversal, Diagonal Order Matrix, 90 degree matrix rotation etc
• Array Puzzle problem(Celebrity problem, stock buy sell, distributed candy etc)
• Compute Sqrt(x) using binary search
• Array computation to check rectangle Overlap & jump game problem
• Counting sort approach & problems
• Search efficiently in 2-D array
• Problem based on geometrical computational array

Assignments & Assignments Discussion

• Assignments based on 2-D array(matrix) advanced Problems
• Assignments based on Puzzles based on array
• Assignments based on geometrical array computations

• Foundations, Binary tree concepts & creation
• Making a tree node class, Explanation & Implementation of Binary Tree & BST
• Binary Tree traversal (InOrder, Pre and Post Order using recursion)
• Understanding time & space complexity in Binary Tree
• Basic computation of Lowest Common Ancestor, leave node, cousin node etc
• PreOrder, InOrder traversal without recursion
• Conversion BT to BST, BT to Doubly LinkedList
• Deletion in Binary Search Tree( one node, two node , leaf node etc)

Assignments & Assignments Discussion

• Assignments based on basic binary tree traversal algorithms
• Assignments based on conversion binary tree to other data structures
• Assignments based on node computation logic

• Techniques to solve distance problem in Binary tree
• K distance from root, all nodes k distance, k distance from leaf etc
• Minimum distance node, right node at distance etc.
• Traverse Binary tree left view, right view, bottom view & Top View etc
• Traverse Binary Tree Level Order,Reverse Level Order, spiral order etc
• Techniques to solve BST based Problems
• kth largest element BST, height balanced BST, largest subtree in BST etc
• Boundary traversal, Diameter of a Binary Tree etc

Assignments & Assignments Discussion

• Assignments based on distance traversal logic in Binary Tree
• Assignments based on BST(Binary search tree)
• Assignments based on boundary traversal of Tree

• N-ary Tree Introduction & Implementation
• Mirror image problems of BT & N-ary Tree
• Problems based on path in Binary Tree
• Maximum sum of leaf to root path, Maximum Path Sum(any node), convert BT to sumTree etc
• Serialise and Deserialise BT, Find largest Subtree etc
• Construct Binary tree from PostOrder & InOrder sequences

Assignments & Assignments Discussion

• Assignments based on Sumtree & path traversal logic in tree
• Assignments based on subtree computations & Mirror image
• Advanced level problems assignments

• Linked List Introduction & Implementation
• Linked List Operations: Traverse, Insert and Delete
• Doubly Linked List Introduction, Implementation & Operations
• LinkedList arrangement & Traversal Problems
• N’th node from the end, reverse a linked list, intersection point of Liked Lists etc
• Palindrome linked list

Assignments & Assignments Discussion

• Assignments based on LinkedList basic traversal
• Assignments based on DoublyLinkedList basic traversal
• Specific node computation in LinkedList

• Clone a Linked List
• Merge two Sorted Linked List
• Linked List addition
• Segregate Linked List into Even and Odd

Assignments & Assignments Discussion

• Assignments based on Merge operation of LinkedList
• Geometrical computation in LinkedList
• Problems based on medium difficulties

• Implement merge sort in linked list
• Flatten a multilevel doubly linked list
• Design & Implement Least recently used (LRU)
• Reverse LinkedList nodes in k-group
• Rearrange a given linked list in-place

Assignments & Assignments Discussion

• Assignments based on in-place k nodes reverse logic
• Advanced problems of multilevel Doubly LinkedList
• Problems based on arrangement of LinkedList

• Stack: What is stack & how are stacks data structures used?
• Application & Implementation of stack
• Queue: What is Queue & how are Queue data structures used?
• Application & Implementation of Queue
• Introduction & Implementation of Circular Queue
• Use stack to find next greater element in array
• Valid parenthesis

Assignments & Assignments Discussion

• Assignments based on basic stack LIFO operation
• Assignments based on basic queue FIFO operation

• Design Stack that Supports findMinimum() in O(1)
• Sliding Window Problem using queue Data Structure efficiently
• Use stack to solve application of Histogram problem
• Use stack to solve efficiently reverse word in string
• Find Maximum size rectangle in binary matrix

Assignments & Assignments Discussion

• Practice assignments of Advanced level difficulty in stack

• Recursion is base of Algorithms, how to use it ?
• Recursion examples with implementation
• How to apply backtracking using recursion

Assignments & Assignments Discussion

• Assignments based on Backtracking recursion
• Assignments based on basic backtracking concepts

• Implement pow(x, n)
• Find PowerSet Using Recursion
• N Queen Problem
• Print all Permutations of a given String
• Combinational Sum

Assignments & Assignments Discussion

• Practice assignments of Medium level difficulty in Backtracking

• Generate Combination of Parenthesis
• Rat Maze Problem
• Knight Walk Problem
• Sudoku Solving Problem
• Mobile Keypad Problem

Assignments & Assignments Discussion

• Practice assignments of Advanced level difficulty in Backtracking

• Graph Introduction & implementation
• Adjacency list implementation & traverse in graph
• Directed & Undirected graph introduction & implementation
• Depth First Search(DFS) introduction, implementation & Traversal
• Breadth First Search(BFS) introduction, implementation & Traversal
• Check graph connectivity using DFS
• Finding path in Directed Graph using BFS/DFS
• Find path in Matrix using DFS approach

Assignments & Assignments Discussion

• Assignments based on Graph adjacency Matrix computation
• Assignments based graph traversal
• Assignments Based on Graph DFS(Depth-first) traversal

• Topological sorting concepts and implementation
• Package Dependency problem, Alien Dictionary Problem using Topological etc
• Find Largest Region Graph, Number of IsLand in matrix etc using BFS graph
• Find cycle in Directed/Undirected Graph using DFS
• Rotten Orange Problem, Wall Gate Algorithm etc using BFS

Assignments & Assignments Discussion

• Assignments Based on Graph BFS(breadth-first) traversal
• Assignments Based on topological sorting techniques
• Assignments Based on BFS approach in matrix

• Trie data Structure Introduction, Concepts & Implementation
• Trie data structure approach to find word in matrix
• Trie data structure approach to implement Autocomplete suggestion problem
• Longest Common Prefix string using Trie
• Dijkstra Algorithm explanation with example
• Snake ladder problem, Phone , Phone Dictionary Problem etc
• Jumping Number problem, check graph is tree etc

Assignments & Assignments Discussion

• Assignments Based on Trie data structures
• Advanced problems assignments based on graph

• What is heap , Min Heap & Max Heap introduction, Approach
• Implementation of Min Heap & Max Heap
• Basic heap operation , Heapify operation implementation
• How hashing Works, Read/Write Operation O(1)
• Design and implement LRU
• Problems based on anagrams, group anagrams etc using hashing

• Problems Based on running streams of strings using Hashing
• First non-repeating character from stream using hashing
• Find Median of running data streams problem using Heap
• Four sum problem, convert number to words etc
• Merge k sorted arrays, Relative Sorting, Minimum window string etc