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datastructures's Introduction

DataStructures

Lesson 1 : Arrays, Stacks and Queues

Pre-Lesson

Pre lesson 1

Content

Introduction to Data Structures

  • What is an Algorithm
  • Why Data Structures
  • Stack problem: Evaluate a fully bracketed mathematical expression ((a+b)*c)
  • Introduction to Linked List

Lesson 2 : Linked List, Sorting Algorithms and Algorithm complexities

Pre-Lesson

Pre lesson 2

Content

  • Introduction to Doubly Linked List
  • Insertion sort : O(n2)
  • Linear search in a List (O(n))
  • Binary search in a sorted list (O(log(n)))
  • Linked List Problem : Find if the Linked List has all unique time

Lesson 3 : Trees, Graphs, Recursive Algorithms

Pre-Lesson

  • Study and implement selection sort
  • Analyze the complexity of a given algorithm and improve it
  • Linked List problem: Reverse the linked list

Content

  • Reverse the linked list with recursion
  • Introduction to trees: Binary tree, Binary Search Tree
  • Tree Traversals: In-Order, Post-Order and Pre-Order
  • Tree Problem: Find the depth of the tree
  • Introduction to Graphs : Data structures for graph

Homework

  • Post-Order traversal without recursion (use Stacks)
  • Level-wise traversal without recursion (use Queues)

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