README.md

Get Started With DSA

• Level - 1 [Java Basic]
  • Java Tutorial for Beginners | Full Course {Upto 02:55:00}
• Level - 2 [Questions On Loops/Patterns]
  • Loops, Patterns and Maths {From Video 11 to 74}
• Level - 3 [Maths][Optional]
  • Mathematics & Number Theory Algorithms
  • Euclid GCD, Prime Numbers & Sieve of Eratosthenes
  • Modulo Arithmetics
• Level - 4 [Functions and Array's]
  • Functions and Array's

Problem Solving

• Array

  • Majority Elements in an Array | Moore's Voting Algorithm
  • Kadane's Algorithm | Largest Sum Contiguous Subarray
  • Best time to buy and sell stock to Maximise Profit Leetcode - 121
  • Best time to Buy and Sell Stock ii || Leetcode - 122
  • Trapping Rainwater Problem | Rain water trapping problem
  • Concept
    • Sliding Window
      • Max Sum Subarray of size K
      • First negative integer in every window of size k
      • Sliding Window Maximum
    • HashMaps / HashSet
      • Introduction to Hashing
      • Count Distinct Elements | Union & Intersection of Two Arrays
      • Find Subarray with the given sum k
      • Count Distinct Elements in every Window of size k

• Searching & Sorting

  • Level - 1
    • Bubble Sort Algorithm
    • Insertion Sort Algorithm
    • Selection Sort Algorithm
  • Level - 2
    • Binary Search
    • [Quick Sort]
    • [Merge Sort]

• 2-D Array / Matrix

  • 2-D Arrays - 20 Videos

• Recursion

  • Recursion & Backtracking - Level 1 {53 Videos | 29 Questions}

• Stack & Queue

  • Stack and Queues - Level 1 {56 Videos | 31 Questions}

Spring Boot https://youtu.be/rxT5RFYxjSg?si=lE2SFoJb0g8d5RX0

https://youtu.be/EWd3_I4X32g?si=emvJ_LSvN_YLuBAg