Category: DSA

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Chapter 48: DSA Counting Sort Time Complexity

DSA Counting Sort Time Complexity Let’s go through this topic very carefully and honestly — like I’m sitting next to you with a notebook, writing down every number, counting every operation together, and explaining...

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Chapter 49: DSA Radix Sort Time Complexity

DSA Radix Sort Time Complexity Let’s understand this topic very clearly and step-by-step, like I’m sitting next to you with a notebook, writing down every part, counting operations together, giving realistic numbers, and explaining...

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Chapter 50: DSA Merge Sort Time Complexity

DSA Merge Sort Time Complexity Let’s talk about this very carefully, step by step, like I’m sitting next to you and we’re solving it together on paper — so you really understand where every...

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Chapter 52: DSA Selection Sort Time Complexity

DSA Selection Sort Time Complexity Let’s go through this topic very carefully and honestly — like I’m sitting next to you with a notebook, writing down every number, counting every comparison together, and showing...

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Chapter 53: DSA Reference

DSA Reference is a very important and frequently misunderstood concept, especially when people start learning Data Structures in languages like C++, Java, or even Python (although Python hides it more). Let me explain it...

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Chapter 54: The Euclidean Algorithm

The Euclidean Algorithm is one of the most beautiful, elegant, and historically important algorithms in all of mathematics and computer science. It is used to find the Greatest Common Divisor (GCD) of two integers...

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Chapter 55: Huffman Coding

Huffman Coding – Let’s learn this topic properly, slowly and clearly — like we are sitting together and I’m teaching you from scratch with a notebook and pencil, drawing trees, writing bits, and counting...

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Chapter 56: DSA The Traveling Salesman Problem

The Traveling Salesman Problem (TSP) is one of the most famous, most studied, and most frustrating problems in all of computer science and mathematics. It is very simple to state, but extremely difficult to...

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Chapter 57: DSA The 0/1 Knapsack Problem

The 0/1 Knapsack Problem is one of the most classic, most important, and most frequently asked problems in Data Structures & Algorithms — especially in interviews. It belongs to a family of problems called...