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Complete Data Structure and Algorithm - DSA Training by Mr. Vimal Daga
DSA
Session 1 - 25th Nov - Introduction-Data Structure and Algorithm (DSA)|hard disk|RAM |CPU executes instructions|Asymptotic analysis| (115:43)
Summary Session 1
Session 2 - 29th Nov - Algorithms | Performance | CPU Time| Time Complexity | Implement Algorithms | Big O(Constant) | Big O(Linear) | Function Parameter | Asymtotic Analysis (101:48)
Summary Session 2
Session 3 - 30th Nov - Unit Time | Arithmetic Progression | Approach to achieve Time Complexity | Search Algorithm | Search Element | Pseudo Code | Best Case(Lucky) Scenario | Worst Case Scenario | Linear Search or Sequencial Search (136:28)
Session 3 - Summary
Session 4 - 1st Dec - Time Complexity | Asymptotic Analysis | Why neglect the constant? | Linear Search | Create an Algorithm | Inputs and Outputs of Algorithm | Success Code | Failure Code | Best Case Scenario | Worst Case Scenario (98:41)
Session 4 - Summary
Session 5 - 13th Dec - Linear Search Algorithm | Best Case Scenario | Worst Case Scenario | Pre- created Algorithms | Unordered Array of data | Exit Code | Return Keyword | Garbage Value| Upperbound Value (109:09)
Session 5 - Summary
Session 6 - 14th Dec - Linear Search | Traversal | Length of the data | Stack Memory | Pointers | Big O(n) | Big O(1) | Best Case Scenario | Worst Case Scenario (120:41)
Session 6 - Summary
Session 7 - 20th Dec - Compile time | Run time | Static memory allocation | Dynamic memory | Stack memory | Heap memory |Organizing data | Array | Data structure | Continuous and Non-continuous way | Linked List | Demo of C programming language | printf function | scanf function | studio.h library | Pointer | Time complexity for reading of array | Big O notation (98:46)
Session 7 - Summary
Session 8 - 21st Dec - Heap Memory | Stack Memory | Mallock Function | Dereferencing | Static Memory Allocation | Dynamic Memory Allocation | Compile Time | Allocation at Run Time | Stack Frame | Dynamic Array (126:37)
Session 8 - Summary
Session 9 - 22nd Dec - Access data value after function finished | Pointer to pointer or Double pointer | Use of * and ** in Double pointer | Use case of double pointer | Allocate heap memory using function | Allocation heap memory for array in C++ | De-allocation heap memory for array in C++ (126:15)
Session 9- Summary
Session 10 - 29th Dec - Member Access Operator | Static array | Dynamic array | Algorithm for extending dynamic array (117:44)
Session 10 - Summary
Session 11 - 30th Dec - Class Template | More than one argument to templates | Create Dynamic array in heap memory (126:40)
Session 11 - Summary
Session 12 - 3rd Jan - Iteration | Recursion | Stack Memory | stackoverflow | Direct recursion | Indirect recursion | Find factorial using recursion | Base Condition (130:25)
Session 12 - Summary
Session 13 - 4th Jan - " Space Complexity | Iteration | Recursion | Types of Recursion | Tail Recursion | TCO (Tail Call Optimization) | Top Down Approach | Recursion | Recursion Relationship | Recursive Call | Worst Case Scenario | Stack Memory | Base Case" (125:35)
Session 13 - Summary
Session 14 - 5th Jan- "Signatures | Recursive Call | Head or Non- Tail Recursion | Tail Recursion | Iteration | Recursion | Automatic Optimization | Stack Overflow | TCO ( Tail Call Optimization)| Demonstration of TCO" (137:15)
Session 14 - Summary
Session 15 - 10th Jan - Natural Numbers | Fibonacci Series | Tail Recursion (122:23)
Session 15- Summary
Session 16 - 12th Jan - "STL (Standard Template Library) |Time Complexity | Extend Array | Append Data | CPU Time | POP | Vector | Capacity Function | push_back | Size Function " (116:20)
Session 16 - Summary
Session 17 - 17th Jan- Create dynamic array | Vector | Traversal Operation | Iterator Class | push_back keyword | itr object | foreach loop | Challenges in array (102:49)
Session 17 - Summary
Session 18 - 18th Jan - Limitation of Array| OutOfMemory Exception | Continuous way | Non-continuous way | Linked List | Node | Self-referencing class (131:59)
Session 18 - Summary
Session 19 - 19th Jan - Linked List | Head Node| Last Node | Create Node | Updating Memory Address of a node | Linked List Variables | Insertion Operation in linked list | Traverse into linked list using loop (112:44)
Session 19 - Summary
Session 20 - 31st Jan - Create Linked List Using Constructor | Read Operation | Length Operation | Abstract Data Type(ADT)| Destructor | Delete Linked List Using Destructo (118:28)
Summary - Session 20
Session 21 - 7th Feb- Insertion Operation on Array | Time Complexity of Insertion Operation on Array | Insertion Operation on Linked List | Time Complexity (Best Case Scenario) of Insertion Operation on Linked List | Time Complexity (Worst Case Scenario) of Insertion Operation on Linked List (106:34)
Summary - Session 21
Session 22 - 8th Feb - LINKED LIST | GET | SET | UPDATE | ARROW OPERATOR | ITERATION | CONSTRUCTOR | DESTRUCTOR | ACCESSING THE DATA | Best Case and Worst Case scenarios | Head node | Tail node (103:38)
Session 22 - Summary
Session 23 - 9th Feb - Singly linked list using STL | forward_list library | Doubly Linked List | Create Node in Doubly Linked List (80:10)
Summary - Session 23
Session 24 - 10th Feb - Create Doubly Linked List | Insert Operation | Forward Display Operation | Reverse Display Operation | isEmpty method (104:46)
Summary - Session 24
Session 25 14th Feb - push back operation | push front operation | Time complexity of push back & front method | peek operation | Time complexity of peek operation | pop operation | Time complexity of pop operation (114:27)
Session 25 - Summary
Session 26 - 15th Feb - FIFO(First In First Out) | Queue Data Structure | Push Operation in Queue | Pop Operation in Queue (63:50)
Summary - Session 26
Session 27 - 16th Feb - Queue : Using Doubly Linked List | Enqueue | Time Complexity of enqueue method | Dequeue | Time Complexity of dequeue method | Display Method | Time Complexity of display method | isEmpty method | Time Complexity of isEmpty method (95:48)
Summary - Session 27
Session 28 - 17th Feb_Revision (120:28)
Session 29 - 21st Feb_Revision (93:08)
Session 30 - 23rd Feb-stack data structures|Time complexity | space complexity |queue |array|list|pop operation|puch back |pop back |activation record |LIFO| (97:01)
Session 31 - 24th Feb - Balanced Brackets Problem | Create string using STL | capacity method | length method | pop_back method | push_back method | traversing using iterator | getline method | Different between cin and getline (114:12)
Session 31 - Summary
Session 32 - 28th Feb_Revision (87:50)
Session 33 - 1st Mar - Create stack using STL | push Method | pop method | top method | empty method | Balanced Brackets Problem (76:02)
Session 33 - Summary
Session 34_1 - 2nd March_Revision (47:23)
Session 34 - 3rd March - Tree Data Structure | Root Node | Edge | Siblings | Vertices | Leaf Node | Parent Node | Child Node | Sub Tree | Degree of the node | Binary Node (71:37)
Session 34 - Summary
Session 35 - 14th March - Binary Tree | Degree of the Node | Create a Tree using Singly Linked List | Create a Tree using Doubly Linked List | Left Child | Right Child (121:23)
Session 35 - Summary
Session 36 - 11th April - Pseudocode for creating a binary tree using a queue (109:13)
Session 36 - Summary
Session 37 - 12th April - CPP Code for creating a binary tree using a queue (118:54)
Session 38 - 13th April_Revision (65:13)
Session 39 - 18th April - Formula for maximum number of nodes in any level | nullptr | isFull() method in Queue | isEmpty() method in Queue | root node creation in Tree (101:47)
Session 37,39 - Summary
Session 40 - 19th April - Create Binary tree using a queue data structure | CreateTree() method | Create lchild | Create rchild (92:37)
Session 40 - Summary
Session 41 - 20th April - Linear Data Structures | Non-linear Data Structures | Breadth-First Traversal | Depth-First Traversal | Level Order Tree Traversal | Inorder Traversal | Preorder Traversal | Postorder Traversal (100:29)
Session 41 - Summary
Session 42 - 25th April - In-order traversal of a Tree Using Recursion | Pre-order traversal of a Tree Using Recursion | Post-order traversal of a Tree Using Recursion (101:35)
Session 42 - Summary
Session 43 - 27th April - Benefits of Level Order Traversal | Level Order Traversal Using Queue | Process of a queue in level order traversing | C++ Code for Level Order Traversal Using Queue (89:20)
Session 43 - Summary
Session 44 - 2nd May-Revision Session (91:09)
Session 45 - 3rd May - Drawbacks of Linear Search | Advantages of Binary Search | Drawbacks of Binary Search | Binary Search Tree (BST) | Why do we need BST | Standard rule for a BST | Time Complexity of Binary Tree | Time Complexity of Binary Search Tree (94:51)
Session 45 - Summary
Session 46 - 4th May - C++ code for the creation of BST | CreateNode() Function | Insert() Function | Use of Inorder in BST | InOrder() Function (103:51)
Session 46 - Summary
Session 47_1 - 9th May-Revision Session (81:09)
Session 47 - 10th May-BST tree | Unbalanced tree | right-skewedtree | skewed binary tree | Left-Skewed Binary Tree | Right-Skewed Binary Tree | height of a tree | balanced binarytree | balance factor | Code for calculating the height of a binarytree (86:11)
Session 47 - Summary
DSA Session - 6th July-Revision Session (94:28)
Practice Set
Set 1
Set 2
Set 3
Set 4
Set 5
Set 6
Set 7
Set 8
Set 9
Set 10
Set 11
Set 12
Extra Sessions
Scalable algo | binary search | Working of RAM (119:10)
Discussion on time complexity of Searching algos | Sorting techniques | Bubble sort | complexity analysis | nested loops (90:57)
Bubble sort algo | bubble sort best-case and worst-case scenerio | real use-case of Bubble sort | Bubble sort time complexity (80:49)
Merge Sort | complexity of Merge Sort Algo | Where is Merge sort required (149:29)
Merge sort and it's steps | length of array | time complexity of Split array algorithm | time complexity of 2-way merging algorithm | | time complexity of merge sort | solution of two sum problem | time complexity of two sum problem after solving with merge sort (120:16)
Session 20 - 31st Jan - Create Linked List Using Constructor | Read Operation | Length Operation | Abstract Data Type(ADT)| Destructor | Delete Linked List Using Destructo
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