Videos in this playlist 80 DSA Complete Series 🚀 : Data Structures & Algorithms || 150 day Challenge Lecture 1: Flowchart & Pseudocode + Basics || DSA Series by Babbar || Java Lecture 2: How a Java Program Run || DSA Series by Babbar Lecture 3: IDE Setup for Coding || DSA Series by Babbar || Java Lecture 4: Write your FIRST Java Program || DSA Series by Babbar Lecture 5: VARIABLES in Java || DSA Series by Babbar Lecture 6: DataTypes in Java || DSA Series by Babbar Lecture 7: Operators in Java || DSA Series by Babbar Lecture 8: Input/Output in Java || DSA Series by Babbar Lecture 9: Conditionals in Java || DSA Series by Babbar Lecture 10: Loops in Java || DSA Series by Babbar Lecture 11: Solve any PATTERN Printing Problem using this TRICK || DSA Series by Babbar Lecture 12: Methods in Java || DSA Series by Babbar Lecture 13: Arrays in Java || DSA Series by Babbar Lecture 14: Strings in Java || DSA Series by Babbar Lecture 15: Basic Maths needed for DSA || DSA Series by Babbar Lecture 16: Intro to OOPs Concepts || DSA Series by Babbar Lecture 17: Classes, Objects, Constructors, Object Lifecycle in JAVA || DSA Series by Babbar Lecture 18: Encapsulation in JAVA || DSA Series by Babbar Lecture 19: Inheritance in Java || DSA Series by Babbar Lecture 20: Polymorphism in Java || DSA Series by Babbar Lecture 21: Abstraction in Java || DSA Series by Babbar Lecture 22: Time & Space Complexity || DSA Series by Babbar Lecture 23: Java Collection Framework ( Part-1 ) || DSA Series by Babbar Lecture 24: Java Collection Framework ( Part-2 ) || DSA Series by Babbar Lecture 25: Java Collection Framework ( Part-3 ) || DSA Series by Babbar Lecture 26: Bitwise Operators in Java || DSA Series by Babbar Lecture 27: Array Problem Solving Part-1 || DSA Series by Babbar Lecture 28: Array Manipulation Problems || DSA Series by Babbar Lecture 29: Array Problem Solving Part-3 || DSA Series by Babbar Lecture 30: Array Problem Solving Part-4 || DSA Series by Babbar Lecture 31: Missing Elements from an Array of Duplicates || Array Problem || DSA Series by Babbar Lecture 32: Maximum Sum Contiguous SubArray || Kadane's Algorithm || DSA Series by Babbar Lecture 33: Solving 2D Array Problems || DSA Series by Babbar Lecture 34: Rotate and Spiral Print a Matrix || DSA Series by Babbar Lecture 35: Sorting Algorithms || DSA Series by Babbar Lecture 36: Binary Search in 1 Video || DSA Series by Babbar Lecture 37: Upper/Lower Bound, Number of Occurrences Binary Search || DSA Series by Babbar Lecture 38: Find PEAK of MOUNTAIN Array || DSA Series by Babbar Lecture 39: Search in a Rotated Sorted Array || DSA Series by Babbar Lecture 40: Binary Search on Answers PATTERN || DSA Series by Babbar Lecture 41: Book Allocation Problem || Min-Max Binary Search Pattern || DSA Series by Babbar Lecture 42: Painter's Partition Problem || DSA Series by Babbar Lecture 43: Aggressive Cows Problem || DSA Series by Babbar Lecture 44: EKO SPOJ Problem || Binary Search || DSA Series by Babbar Lecture 45: ROTI PRATA SPOJ Problem || DSA Series by Babbar Lecture 46: Search in Nearly Sorted Array || Binary Search || DSA Series by Babbar Lecture 47: Find Single Non-Duplicate element using Binary Search || DSA Series by Babbar Lecture 48: Search in 2D Matrix I and II (Binary Search) || DSA Series by Babbar Lecture 49: Row with Maximum 1's || Binary Search || DSA Series by Babbar Lecture 50: Unbounded Search using Binary Search Concept || DSA Series by Babbar Lecture 51: Reverse Words in a Strings || DSA Series by Babbar Lecture 52: String Interview Questions Part-2 || DSA Series by Babbar Lecture 53: String Interview Problems Part-3 || DSA Series by Babbar Lecture 54: Recursion Basics || Recursion Series Day-1 || DSA Series by Babbar Lecture 55: Recursive Time & Space Complexity || Recursion Series Day-2 || DSA Series by Babbar Lecture 56: Climbing Stairs problem || Recursion Series Day-3 Lecture 57: Recursion Basics || Recursion Day-4 Lecture 58: Recursive BINARY SEARCH || Recursion Day-5 Lecture 59: Subsequences of String || Recursion Series Day-6 Lecture 60: House Robber Problem || Recursion Series Day-7 Lecture 61: Coin Change 2 Problem || Recursion Series Day-8 Lecture 62: COin Change I Problem || Recursion Series Day-9 Lecture 64: Minimize the Difference Between Target and Chosen Elements || Recursion Series Day-11 Lecture 63: Partition Equal Subset Sum Problem || Recursion Series Day-10 Lecture 65: Jump Game Problem || Recursion Series Day-12 Lecture 66: Leetcode Triangle Problem || Recursive Series Day-13 Lecture 67: Subsequences with Sum K || Recursion Series Day-14 Lecture 68: Subsets 1 & Subsets II Problem || Recursion Series Day-15 Lecture 69: Combination Sum (All 3 *variants*) || Recursion Series Day-16 Lecture 70: Permutations of String || Recursion Series Day-17 Lecture 71: Intro to Backtracking || Recursion Series Day-18 Lecture 72: Phone Keypad Problem || Recursion Series Day-19 Lecture 73: N-Queen Problem || Recursion Series Day-20 Lecture 74: Sudoku Solver Problem || Recursion Series Day-21 Lecture 75: Merge Sort in 1 Video || Recursion Series Day-22 Lecture 76: Inversion Count in an Array || Recursion Day-23 Lecture 77: Quick Sort in 1 Video || Recursion Day - 24 Lecture 78: Starting Linked List Series || Day - 1 Lecture 79: All about Doubly Linked List || Linked List Series Day - 2 Show all 80 Advantages and disadvantages Free and complete: every lecture is in the playlist, in order. Watch at 1.5x, skip what you know, rewatch what you don't. Taught in Hindi (or Hinglish), which many students find easier to follow. Made for Indian students, with placement and exam context. 720,737 views, so help and notes are easy to find. Completely free. Self-paced: start any time. A clear syllabus (80 videos) you can see before you start. No certificate, deadlines or graded work. Quality and depth vary: check that the playlist is finished before you start. Less depth than a university course on some topics. No certificate. A big commitment: about 104 videos, 64 hours in all. No graded assignments or feedback. Some points apply to every course of this kind; see how we rank .
Free: Watch on YouTube, no account needed.Certificate: None. Code or take notes along to make it stick.
