Feb 9 · 7 min read · When solving problems in programming, one of the most common tasks is: Count how many times each element appears. This problem looks simple — but when input size becomes very large (millions or billions of elements), a naive approach can crash your...
Join discussionAug 12, 2025 · 2 min read · Minimum Spanning Tree (MST) A Minimum Spanning Tree of a connected, undirected, weighted graph is a subset of edges that: Connects all vertices without cycles. Has the minimum possible total edge weight. 1. Kruskal’s Algorithm Idea: Kruskal’s al...
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Aug 9, 2025 · 11 min read · I’m writing this article to expand on and correct some things on my mental model for understanding data structures and algorithms. It builds on top of a previous article I wrote about understanding data structures and algorithms in a slightly more in...
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Jul 19, 2025 · 8 min read · Note : Started my 27-day DSA journey with Striver’s SDE Sheet!I will be journaling every day — recording what I learn, reflecting on it, and sharing it with my network to help fellow learners and aspiring developers.. Learning through videos, resourc...
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Jul 14, 2025 · 6 min read · Master this essential coding interview problem with our step-by-step approach and optimized C++ solution Problem Overview LeetCode Problem 1290 is a fundamental coding interview question that tests your understanding of: Linked List traversal Bina...
Join discussionJul 9, 2025 · 4 min read · There’s brute force — and then there’s brute force with a brain. That’s what backtracking is.It’s the art of exploring possibilities... but only until you realize it’s a waste of time. Then you back out faster than when someone says, “We need to talk...
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Jun 21, 2025 · 10 min read · Are you ready to excel in your next Java interview and land your dream job in 2025?The Java ecosystem is constantly evolving, with new features, frameworks, and architectural patterns emerging all the time. The Java ecosystem is constantly evolving w...
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Jan 2, 2025 · 5 min read · JavaScript is one of the most essential programming languages for web development, and mastering it can significantly improve your career prospects. Whether you're just starting out or looking to refine your skills, this guide will take you through k...
Join discussionAug 4, 2024 · 4 min read · In Python, methods within a class can be categorized into instance methods, class methods, and static methods. Each serves a unique purpose and provides different levels of access to the class and its instances. In this blog, we'll explore class meth...
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May 11, 2024 · 3 min read · Introduction: Stepping into the realm of coding interviews can feel like embarking on an odyssey through a labyrinth of algorithms and data structures. Recently, I embarked on my maiden voyage into this intricate world, armed with nothing but my wits...
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