Create dsa (#226)

dsa

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+# dsa
+
+>>Basic Data Structures to learn:
+
+Arrays, Strings, Stacks, Queues
+Asymptotic analysis (Big-O notation)
+Basic math operations (addition, subtraction, multiplication, division, exponentiation)
+Sqrt(n) primality testing
+Euclid’s GCD Algorithm
+Basic Recursion
+Greedy Algorithms
+Basic Dynamic Programming
+Naive string searching
+O(n logn) Sorting
+Binary Searching
+
+
+
+>>Topics
+Time complexity
+Basic math problem
+Factorization
+Base, Unary, Binary number systems
+Conversions for base N
+Arrays
+Basic array implementations
+Sorting algorithms (insertion,merge,quick,selection,bubble)
+Searching algorithms(Binary Search)
+Bit Manipulation
+Linked Lists
+Stacks And Queues
+Backtracking
+Hashing
+Heaps And Maps
+Tree Data Structure
+Dynamic Programming
+Greedy Algorithm
+Graph Data Structure & Algorithms
+Practice, practice ,practice
+
+🔥Service based Companies:
+Language basics (Java/C++/Python)
+Arrays/2D Arrays
+Strings
+Searching & Sorting
+Linked List
+Stacks & Queues
+Trees/BST
+Basic Graphs
+
+🔥Product based Companies:
+Language basics (Java/C++/Python)
+Arrays/2D Arrays
+Strings
+Searching & Sorting
+Backtracking
+Linked List
+Stacks & Queues
+Trees/BST
+Graphs
+Dynamic Programming
+Tries
+Segment Trees (basic)
+Bit Manipulation