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Self Paced

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Course Content

1. Time Complexity

DSA Offering Lifetime Access with Updates. Weekly Doubt Clearing Classes 100+ Leetcode video solutions with explanations Offered by ACM ICPC winners and FANG engineers Student community, Github code review, Interview preparations.

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1 – Time Complexity

2 – Big O Notation

3 – Binary Search and its Recurrence Relation

4 – Question on Time Complexity I

5 – Master’s Theorem

6 – Big O Complexity Comparison

7 – Question on Time Complexity II

8 – Occurrence of an integer

10 – Find Minimum path

11 – Find Minimum path – Optimization

12 – Time Complexity Notations

13 – Examples and Questions

14 – Key Takeaways

Time Complexity.pdf

2. Array

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1 – Find the missing and the repeated number in the array

2 – Find the missing and the repeated number in the array

2 – 2 Sum problem

3 – 2 Sum problem

4 – 3 Sum problem

5 – Majority Element in the Array

3. Linked list

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1 – Why do we use Linked List

2 – What are Linked Lists

3 – How to create a Linked List

4 – Deleting a node in a Linked List

5 – Finding Mid-point of a Linked List

6 – Detecting Cycle in a Linked List

7 – Removing Cycle in a Linked List

8 – Reversing a Linked List

9 – Big Integer Problem

10 – Add two big numbers

11 – Introduction to Doubly Linked List

12 – Insertion and deletion in Doubly Linked List

13 – Comparison between Singly Linked List and Doubly Linked List

Linked List.pdf

4. Stack

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1 Introduction to Stacks

2 Question on Stacks using STL C++

3 Postfix Expression Evaluation

4 Infix to Postfix Evaluation

5 Next Greater Element

5. Queue

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1 Introduction to queues

2- Sliding Window Question

6 Dictionary and Sets STL

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1- Introduction to Dictionary Set

2- Basics of Dictionary & Sets.pdf

7. Sorting

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1 – Merge Sort

2 – Quick Sort

3 – Comparison between Merge Sort, Quick Sort and STL

4 – Count Sort

5 – Bucket Sort

6 – Radix Sort

7 – Comparison between Count Sort and Bucket Sort

8 – Problem Count Inversions 1

9 – Discussion Sort a linked list

10 – Problem Count Inversions 1 Code Discussion

11 – Problem Sort a linked list

12 – Problem Nut and Bolt Problem

8. Binary Trees

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1 – Introduction to Trees

2 – Traversal in Binary Trees (Inorder, Preorder, Postorder)

3 – Level Order Traversal of Binary Trees

4 – Spiral Order Traversal of Binary Trees

5 – Views of a Binary Tree (Left, Right)

6 – Top Bottom View of a Binary Search Tree

7 – Problem Binary Tree Right Side View

8 – Problem Validate Binary Search Tree

9 – Problem Diameter of a Binary Tree

10 – Post Session Discussion

11 – Diameter of a Binary Tree

Binary Trees.pdf

9. Binary Search Tree

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1 – Introduction to Binary Search Trees (BST)

2 – ChecK if a Binary Tree is a BST or not

3 – Properties of Binary Search Trees

4 – Searching in Binary Search Trees

5 – Balanced Binary Search Trees

6 – Dictionaries bases on Hashing

7 – Comparison between Hash Map and Tree Maps

8 – Insertion Deletion in Binary Search Trees

10. Heap

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1 – Introduction

2 – Binary Heap

4 – Min and Max Heap

5 – Operations in heaps

6 – Heap Sort

7 – Kth smallest largest element from array

Binary Heaps.pdf

11. Graph

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1 – Introduction to Graphs

2 – Representation of Graphs

3 – Types of Graphs

4 – Depth First Search Traversal of Graphs

5 – Breadth First Search Traversal of Graphs

6 – Comparison between DFS and BFS

7 – Directed Graph – Cyclic and Acyclic

8 – Cycles and their Detection

9 – Topological Sorting

10 – Shortest Paths – Single Source

12. Dynamic Programming

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1 – Sum of array elements

2 – Rod Cutting Problem

3 – Coin Change Problem

4 – Subset Sum Problem

5 – Knapsack Problem

6 – Coin Game

7 – Edit Distance

8 – Bursting Balloons

10 – Longest Common Subsequence

Dynamic Programming.pdf

13. Tries

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1 – What are Tries

2 – Application of Tries

14. Bit Wise operation

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1 – Bitwise Operations

2 – Questions on Bitwise Operation

Bitwise Operation.pdf

15. Disjoint set

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1 – Introduction

2 – Disjoint Set Operations

3 – Union Find, Make, Link, Discussion

Leetcode Video Solutions

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1. Two Sum | Leetcode Easy

2. Valid Sudoku | Leetcode Medium

3. Group Anagrams | Leetcode Medium

4. Container with most Water | Leetcode Medium

5. Set Matrix Zeros | Leetcode Medium – Java, C++

5.1 Set Matrix Zeros | Leetcode Medium – PythonDraft Lesson

6. Median of two sorted arrays | Leetcode Hard

7. Trapping Rain Water | Leetcode Hard – Java, C++

7.1 Trapping Rain Water | Leetcode Hard – Python

8. Best time to buy and sell stock | Leetcode Easy

9. Best time to buy and sell stock ii | Leetcode Medium

10. Product of Array Except Self | Leetcode Medium

11. Find Minimum in Rotated Sorted array II | Leetcode Hard

12. Range Sum Query – Immutable | Leetcode Easy

13. Sort Colours | Leetcode Medium

14. Roman to Integer | Leetcode Easy

15. Candy Description | Leetcode Hard

16. Remove Duplicates from Sorted Arrays

17. Longest Substring without repeating characters | Leetcode Medium

18. Fruit into Baskets | Leetcode Medium

19. Text justification | Leetcode Hard

20. Plus One | Leetcode Easy

21. Subarray Sum Equal k | Leetcode Medium

22. Permutation in String | Leetcode Medium

23. Happy Number | Leetcode Easy

24. Reverse Linked List ii | Leetcode Medium

25. Design Linked List | Leetcode Medium

26. Palindrome Linked List | Leetcode Easy

27. Odd even Linked List | Leetcode Medium

28. Split Linked List in Parts | Leetcode Medium

29. Copy List with Random Pointer | Leetcode Medium

30. Reverse Linked List | Leetcode Easy

31. Linked List Random Node | Leetcode Medium

32. Swapping Nodes in a Linked List | Leetcode Medium

33. LRU Cache | Leetcode Medium

34. Remove Linked List Elements | Leetcode Easy

35. Flatten Nested List Iterator | Leetcode Medium

36. Remove Duplicates from Sorted List ii | Leetcode Medium

37. Convert Binary Number in a Linked List to Integer

38. Rotate List | Leetcode Medium

39. Insertion Sort List | Leetcode Medium :- Java, C++

Add-ons

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Leetcode Google Interview questions – Stack

Zoom Real time video chatting – Websocket, WebRTC

Understanding Binary Search – Latest Google Coding Interview Question

Leetcode Google Interview questions – Sorting

Leetcode Google Interview questions – Queue

Leetcode Google Interview questions – Hashing

Data Structure & Algorithm Using c++

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