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FreeData Structures and Algorithms Mega Course – Master Technical Interviews in 49 Hours
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At 49 hours, this is a true mega course. It starts with the core ideas of time complexity and Big O, then works through each data structure family in its own full-length section, from arrays and strings to graphs and dynamic programming.
Beginners who want one long, continuous path through DSA in Java, and learners who prefer to dip into specific chapters. Set aside time for it in blocks, since the chapter list is long enough that a single sitting is unrealistic.
Learn about every popular data structure and algorithm. This 49-hour mega course will help you master technical interviews for software engineering roles! This tutorial will equip you with the essential knowledge, starting with the core concepts of data structure, algorithm, and fundamental analysis like time and space complexity. This course uses Java.
Course developed by: https://www.youtube.com/@DestinationEngineer
⭐️ Resources ⭐️
🔗 Most asked Technical Interview Questions: https://docs.google.com/spreadsheets/d/1hzP8j7matoUiJ15N-RhsL5Dmig8_E3aP/edit#gid=1377915986
🔗 Github Repo with all the Solutions: https://github.com/DestinationFAANG/Destination-FAANG-Java-Solution
❤️ Support for this channel comes from our friends at Scrimba – the coding platform that's reinvented interactive learning: https://scrimba.com/freecodecamp
⭐️ Chapters ⭐️
- 0:00:00 Introduction
- 0:03:14 Technical interviews 101
- 0:07:02 How to judge an algorithm
- 0:08:02 What is time complexity
- 0:18:42 What is Big O
- 0:20:20 Big O for code blocks
- 0:33:08 Space complexity example
- 0:35:04 How do you get good at solving DSA problems
- 0:37:34 Types of data structures
- 0:48:48 Quick recap
- 0:50:21 Arrays Full Course
- 3:29:02 Sliding Window Full Course
- 5:09:48 Two Pointers Full Course
- 7:00:25 Strings Full Course
- 8:29:27 Sorting & Searching Full Course
- 11:28:48 Linked List Full Course
- 14:08:48 Stack Full Course
- 16:43:55 Queue Full Course
- 17:58:08 Priority Queue Full Course
- 20:55:54 Trees Full Course
- 25:20:01 Graph Full Course
- 32:14:13 Dynamic Programming Full Course
- 37:13:04 Greedy Full Course
- 39:06:36 Interval Full Course
- 40:32:39 Backtracking Full Course
- 42:45:51 Math & Geometry Full Course
- 43:42:30 Matrix Full Course
- 45:55:06 Design Full Course
- 47:22:33 Bit Manipulation Full Course
- 48:48:17 Final message
🎉 Thanks to our Champion and Sponsor supporters:
👾 Drake Milly
👾 Ulises Moralez
👾 Goddard Tan
👾 David MG
👾 Matthew Springman
👾 Claudio
👾 Oscar R.
👾 jedi-or-sith
👾 Nattira Maneerat
👾 Justin Hual
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Learn to code for free and get a developer job: https://www.freecodecamp.org
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