THIS IS A MOMENT IN HISTORY: I SOLVED MY FIRST LEETCODE MEDIUM! LFG!!!! Today marks a significant milestone in my coding journey—I’ve successfully solved my first medium-level problem on LeetCode! 🎉 This moment is not just about the problem itself but about the perseverance and growth that …
Continue ReadingTwo Dishes | Data Structure and Algorithms In the realm of computer science, the choice of data structures and algorithms can significantly influence the performance and efficiency of a program. In this post, we will explore the concept of a “Two Dishes” problem as a metaphor for …
Continue ReadingIs Something Odd with the LeetCode Topic Tags? Recently, I stumbled upon an interesting observation while exploring the well-known LeetCode problem “Two Sum.” Upon checking the topics section for this problem, I was surprised to find an unusually large number of tags associated with it. …
Continue ReadingLeetCode Rating Dropped Despite Doing 400+ Questions: Any Advice? Introduction It can be incredibly disheartening to put in the hours, solve over 400 questions, and still see your LeetCode rating drop after contests. Many users grapple with this issue, often feeling frustrated despite their hard …
Continue ReadingQn 2396: Strictly Palindromic Number - Does Such a Number Exist? In the realm of algorithmic challenges, LeetCode’s problem 2396 presents an intriguing question: “Is there a strictly palindromic number?” The answer, upon careful analysis, is a definitive false. This post delves …
Continue ReadingSummary: Vertex Cover to 3-SAT? 3-SAT to Vertex Cover, Since Both Are NP-Complete? In the realm of computational complexity, the relationship between various NP-complete problems often yields fascinating insights into the nature of algorithmic challenges. One such relationship exists between the …
Continue ReadingWhen Did Two Sum Become About Eulerian Circuits? Is it just me, or has anyone else noticed that the Topics section under the question page on LeetCode now includes a plethora of seemingly irrelevant topics? Just the other day, while browsing through the well-known Two Sum problem, I was taken aback …
Continue ReadingHow Do I Start LeetCode? As a student from a tier 2 college in India with a foundational understanding of Data Structures and Algorithms (DSA), you might be wondering how to effectively kickstart your journey on LeetCode. The platform is an excellent resource for honing your problem-solving skills, …
Continue ReadingAnalyzing LeetCode Problem 1617: Count Subtrees with Max Distance Between Cities As a budding software engineer, I embarked on a journey to enhance my problem-solving skills using LeetCode. One of the challenges I encountered was LeetCode Problem 1617, which revolves around counting subtrees based …
Continue ReadingPreparing for Google L3 Software Engineer Interviews: Tips and Strategies As the tech industry continues to evolve, many aspiring software engineers set their sights on securing coveted roles at leading companies like Google. If you’re preparing for a Google L3 Software Engineer interview, you might …
Continue ReadingOnsite Interview Problem at Google: A Deep Dive In the realm of software engineering interviews, particularly at tech giants like Google, questions that challenge our understanding of graph theory and probability often arise. One such intriguing problem involves calculating the expected number of …
Continue ReadingPeople Who Love Graphs Graph problems can be daunting. After spending considerable time solving a graph-related challenge, it’s frustrating to feel uncertain about the validity of your solution. This sentiment resonates with many of us who delve into the realm of graphs, where the …
Continue ReadingHelp Me Find the Maximum Flow in the Graph? From S to T In the realm of graph theory, one prevalent problem is finding the maximum flow from a source node ( S ) to a sink node ( T ) in a directed graph. This problem is not only fundamental in theoretical computer science but also has practical …
Continue ReadingStruggling with Optimal Approaches in LeetCode As a second-year computer science major, I understand the challenges that come with mastering algorithmic problem-solving. Over the past three to four months, I’ve dedicated myself to practicing on LeetCode, tackling around 120 problems. While I …
Continue ReadingWhat’s the Most Effective Strategy for Beginners to Improve on LeetCode? As a beginner diving into the world of algorithmic problem-solving, particularly on platforms like LeetCode, it’s common to feel overwhelmed. With countless strategies and approaches out there, you might find …
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