50 Days of DSA Python Data Structures Algorithms LEETCODE
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“Student Testimonials:””Amazing Course”” – Erick Odhiambo Otieno””I never seen the best course in this learning platform. It is the best course if you want to understand DSA to the core. you should try it guys. thanks a lot sir for this best course.”” – Nibru Kefyalew””Great course!”” – Shay Keren””Very thorough and methodical”” – Shahjamal Biswas””Very intuitive and in-depth! so far”” – Nikhil Valse””A good explanation for this problem.”” – Bhuvan Akoju””So far good explanation on DS ,recursion and quizzes.”” – Anuradha Yadavalli””the instructor is very good at explaining and simplifying complex concept. this course cover all the DSA module in depth withs great examples”” – RODRIGUE NGONGANG””excellent”” – Neha Nayak””Awesomly attractive course!”” – Dariusz Jenek””Great one”” – Wilson Edafe””Excellent Teaching”” – Ameeruddin Syed””It is an excellent platform!!”” – Subhajit BeraAbout the Course:Welcome to the Data Structures and Algorithms Coding Interview Bootcamp with Python!The primary goal of this course is to prepare you for coding interviews at top tech companies. By tackling one problem at a time and understanding its solution, you’ll accumulate a variety of tools and techniques for conquering any coding interview.Daily Data Structures and Algorithms Coding Challenges:The course is structured around daily coding challenges. Consistent practice will equip you with the skills required to ace coding interviews. For the next 40 days commit to yourself to practice atleast 2 coding interview questions everyday. You don’t need any setup for this as the daily coding problem challenges can be solved in the coding environment provided by Udemy. The course will automatically track your progress and you just need to spend your time making actual progress everyday.Topics Covered:We start from the basics with Big O analysis, then move on to very important algorithmic techniques such as Recursion, Backtracking and Dynamic Programming Patters. After this we move to cover common data structures, and discuss real problems asked in interviews at tech giants such as Google, Meta, Amazon, Netflix, Apple, and Microsoft.For each question, we will:Discuss the optimal approachExplain time and space complexityCode the solution in Python (you can follow along in your preferred language)Additional Resources:The course includes downloadable resources, motivational trackers, and cheat sheets.Course Outline:Day 1: Arrays, Big O, Sorted Squared Array, Monotonic ArrayDay 2:Recursion,k-th symbol in Grammar,Josephus problemDay 3:Recursion, Tower of Hanoi, Power SumDay 4:Backtracking, Permutations, Permutations 2Day 5:Backtracking, Subsets, Subsets 2Day 6:Backtracking, Combinations, Combinations Sum 1Day 7:Backtracking,Combinations Sum 2,Combinations Sum 3Day 8:Backtracking,Sudoku Solver, N QueensDay 9:Dynamic Programming, Fibonacci, Climbing StairsDay 10:Dynamic Programming, Min Cost Climbing Stairs, TribonacciDay 11:Dynamic Programming, 01 Knapsack, Unbounded KnapsackDay 12:Dynamic Programming, Target Sum, Partition Equal Subset SumDay 13:Dynamic Programming, LCS, Edit DistanceDay 14:Dynamic Programming, LIS, Max Length of Pair Chain, Russian Doll EnvelopesDay 15:Dynamic Programming, Palindromic Substrings, Longest Palindromic Substring, Longest Palindromic SubsequenceDay 16:Dynamic Programming, Palindrome Partitioning, Palindrome Partitioning 2Day 17:Dynamic Programming, Word Break, Matrix Chain MultiplicationDay 18:Dynamic Programming, Kadane’s algorithm – Max Subarray, Maximum Product SubarrayDay 19:Greedy Algorithms – Fractional Knpasack, Non overlapping IntervalsDay 20:Greedy Algorithms – Jump Game 1, Minimum # of arrows to burst baloonsDay 21:Greedy Algorithms – Two City Scheduling, Boats to Save peopleDay 22:Greedy Algorithms – Task Scheduler, Largest NumberDay 23:Greedy Algorithms – Gas Stations, Jump Game 2Day 24: Arrays, Rotate Array, Container with Most WaterDay 25: Hash Tables, Two Sum, Isomorphic StringsDay 26: Strings, Non-Repeating Character, PalindromeDay 27: Strings, Longest Unique Substring, Group AnagramsDay 28: Searching, Binary Search, Search in Rotated Sorted ArrayDay 29: Searching, Find First and Last Position, Search in 2D ArrayDay 30: Sorting, Bubble Sort, Insertion SortDay 31: Sorting, Selection Sort, Merge SortDay 32: Sorting, Quick Sort, Radix SortDay 33: Singly Linked Lists, Construct SLL, Delete DuplicatesDay 34: Singly Linked Lists, Reverse SLL, Cycle DetectionDay 35: Singly Linked Lists, Find Duplicate, Add 2 NumbersDay 36: Doubly Linked Lists, DLL Remove Insert, DLL Remove AllDay 37: Stacks, Construct Stack, Reverse Polish NotationDay 38: Queues, Construct Queue, Implement Queue with StackDay 39: Binary Trees, Construct BST, Traversal TechniquesDay 40: Pre order and In order Traversal of Binary Tree – IterativeDay 41: Post Order Traversal Iterative, Path Sum 2Day 42: Construct Binary Tree from Pre and In order Traversal ^ In and Post order TraversalDay 43: Binary Trees, Level Order Traversal, Left/Right ViewDay 44: Level order Trav 2, ZigZag TraversalDay 45: Vertical order Traversal, Sum root to leaf numbersDay 46: Binary Trees, Invert Tree, Diameter of TreeDay 47: Binary Trees, Convert Sorted Array to BST, Validate BSTDay 48: Lowest common Ancestor of BST, Unique BST 2Day 49: Lowest common Ancestor of Binary Tree, Unique BST 1Day 50: Serialize and Deserialize Binary Tree, N-ary Tree Level Order TraversalDay 51: Heaps, Max Heap, Min Priority QueueDay 52: Graphs, BFS, DFSDay 53: Graphs, Number of Connected Components, Topological SortDay 54: Number of Provinces, Find if path exists in GraphDay 55: Number of Islands, Numbers with same consecutive differencesMy confidence in your satisfaction with this course is so high that we offer a complete money-back guarantee for 30 days! Thus, it’s a totally risk-free opportunity. Register today, facing ZERO risk and standing to gain EVERYTHING.So what are you waiting for? Join the best Python Data Structures & Algorithms Bootcamp on Udemy.I’m eager to see you in the course.Let’s kick things off!:-) Jackson”
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1What you're going to get from this courseVideo lesson
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2Welcome! How to make best use of this course (Please Watch)Video lesson
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3Best Study Technique to prepare for Coding InterviewsText lesson
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4Day 1 GoalsText lesson
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5Introduction to Data StructuresVideo lesson
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6Introduction to Big O, Time ComplexityVideo lesson
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7Asymptotic Analysis and Big OVideo lesson
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8Big O Space ComplexityVideo lesson
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9Big O LogarithmVideo lesson
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10Arrays: Data Structures Crash CourseVideo lesson
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11Quiz: ArraysQuiz
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12CODING EXERCISESVideo lesson
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13How to log output to debug code in Udemy EditorText lesson
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14CODING INTERVIEW Q1 (Easy): Sorted Squared ArrayVideo lesson
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15Coding Exercise: Sorted Squared ArrayQuiz
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16Method 1, Big O AnalysisVideo lesson
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17Python Code - Method 1Video lesson
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18Quiz - Method 1 (Sorted squarred array)Quiz
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19Method 2Video lesson
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20Python Code - Method 2Video lesson
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21Quiz - Method 2 (Sorted squarred array)Quiz
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22CODING INTERVIEW Q2 (Easy): Monotonic ArrayVideo lesson
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23Coding Exercise: Monotonic ArrayQuiz
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24Method and Big O analysisVideo lesson
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25Python Code - Monotonic ArrayVideo lesson
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26Quiz - Monotonic ArrayQuiz
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27Day 2 GoalsText lesson
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28Recursion BasicsVideo lesson
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29Recursive Leap of FaithVideo lesson
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30Visualising RecursionVideo lesson
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31Recursion vs IterationVideo lesson
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32Ways to write Base conditionVideo lesson
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33Recurrence relationVideo lesson
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34How to Solve Recursion QuestionsVideo lesson
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35Recursion Approaches - 0 to N and N to 0Video lesson
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36Recursion is everywhereVideo lesson
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37Complexity Analysis of Recursive SolutionsVideo lesson
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38Quiz: RecursionQuiz
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39CODING INTERVIEW QUESTION (Medium): k-th symbol in GrammarVideo lesson
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40Coding Exercise (k-th symbol in Grammar)Quiz
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41Approach(k-th symbol in Grammar)Video lesson
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42Pseudocode (k-th symbol in Grammar)Video lesson
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43Complexity Analysis(k-th symbol in Grammar)Video lesson
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44Python Solution (k-th symbol in Grammar)Video lesson
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45Quiz - k-th symbol in GrammarQuiz
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46CODING INTERVIEW QUESTION (Medium): Josephus problemVideo lesson
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47Coding Exercise: Josephus problemQuiz
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48Approach 1Video lesson
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49PseudocodeVideo lesson
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50Complexity AnalysisVideo lesson
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51Python Solution 1: Josephus problem Method 1Video lesson
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52Quiz - Josephus problem Method 1Quiz
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53Approach 2Video lesson
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54PseudocodeVideo lesson
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55Complexity AnalysisVideo lesson
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56Python Solution 2 : Josephus problem Method 2Video lesson
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57Quiz - Josephus problem Method 2Quiz
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58Approach 3Video lesson
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59Complexity AnalysisVideo lesson
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60Python Solution 3 : Josephus problem Method 3Video lesson
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61Quiz - Josephus problem Method 3Quiz
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62Day 3 GoalsText lesson
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63CODING INTERVIEW QUESTION (Medium): Tower of HanoiVideo lesson
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64Coding Exercise(Tower of Hanoi)Quiz
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65Identifying that wew can use RecursionVideo lesson
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66ApproachVideo lesson
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67Recursion TreeVideo lesson
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68Python Solution : Tower of HanoiVideo lesson
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69Complexity Analysis : Tower of HanoiVideo lesson
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70CODING INTERVIEW QUESTION(Medium): Power SumVideo lesson
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71Coding Exercise: Power SumQuiz
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72Method and Big O AnalysisVideo lesson
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73Python Solution: Power SumVideo lesson
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74Day 4 GoalsText lesson
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75What is BacktrackingVideo lesson
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76How is it different from Recursion ?Video lesson
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77How does Backtracking work ?Video lesson
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78Pass by reference / change inplaceVideo lesson
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79Blueprint to solve questions using BacktrackingVideo lesson
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80Identify when to use BacktrackingVideo lesson
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81Quiz: BacktrackingQuiz
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82CODING INTERVIEW QUESTION (Medium): PermutationsVideo lesson
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83Coding Exercise ( Permutations)Quiz
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84ApproachVideo lesson
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85PseudocodeVideo lesson
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86Python Solution : PermutationsVideo lesson
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87Complexity AnalysisVideo lesson
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88CODING INTERVIEW QUESTION(Medium): Permutations 2Video lesson
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89Permutations 2Quiz
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90ApproachVideo lesson
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91PseudocodeVideo lesson
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92Python Code: Permutations 2Video lesson
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93Complexity Analysis : Permutations 2Video lesson

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