Why? Because Baluja’s approach to explaining complex topics like linked lists, trees, and sorting algorithms using the C programming language remains unparalleled for beginners. The year 2021 marked a significant shift toward digital learning due to global events. Consequently, the demand for a 2021 edition PDF (or a version circulating around that year) skyrocketed.
If you are looking for legitimate ways to access the material:
: Comprehensive guides on Sorting (Bubble, Quick, Merge, Heap) and Searching (Linear and Binary) techniques.
If you absolutely cannot afford the book, search for a "library genesis" alternative (LibGen) – but know that you are in a legal gray area. A better path: Ask your professor or senior for a photocopy of the 2021 edition. Many departments have a soft copy for internal circulation.
If you are searching for the PDF, you probably know what you need. But for the uninitiated, here is the typical syllabus covered in Data Structures Through C by G.S. Baluja:
Let’s address the elephant in the room. You want a . Is it legal?