How to use leetcode efficiently. Sep 15, 2023 · LeetCode is a skill. I usually write some eldritch stitched horror of for loops, while the most optimal solutions has some clever name like the 'hare-tortoise principle' or whatever. You can choose a topic and start drilling down. Note that "bca" and "cab" are also correct answers. Alll the best! Analyze the efficiency of your code and aim for optimal solutions. Is this not the right way to tackle Leetcode? Level up your coding skills and quickly land a job. In this video, I will be talking about how to use leetcode efficiently and how to crack any interview. How to use Leetcode solutions?4. Many of those problems are also available on LeetCode (see this list), so you can actually use LeetCode as a complementary tool alongside the book. I will start from the very basics so that beginners ca This approach efficiently counts inversions while sorting the array. I am about to complete Software Engineering Course and start my … Use your logical deductions and match onto a few potential strategies that you think have a high chance of working and investigate how each of those strategies could be used to solve the problem. The key idea is si In this video, I have solved the famous LeetCode problem Count Prime Set Bits using Bit Manipulation and Prime Number Checking in Java. Fifth and most important tip - practice, practice, and practice again. Contribute to mrmohamedyunus/Leetcode development by creating an account on GitHub. Rotate Array” — a medium-level question that tests logical thinking and If you are just starting out consider checking out my Leetcode Survival guide so that you don't waste your time solving random Leetcode problems or buy expensive courses to learn data structures and algorithms. H Boost your coding interview skills and confidence by practicing real interview questions with LeetCode. For example, you can filter by data structure or algorithm type, company-specific interview questions, or even by the Using these links is the best way to support me at no cost to you! 📖 Recommended Courses 👉 🏅 LEARN CODING and EARN UNLIMITED certificates from renowned institutions like GOOGLE, META Daniel Posted on Nov 17, 2021 How to use Leetcode more efficiently # productivity # interview # beginners tldr; Stop doing random LC problems and make a study plan. CLRS asks pointed questions that derive straight from the respective chapter material. Whether to use Python for Leetcode?5. How to use Leetcode effectively? Knowing how to Leetcode is a skill, but with some tactics: you can become an interview-ready software engineer in no time. This is the best place to expand your knowledge and get prepared for your next interview. Use LeetCode’s filters and tags to find problems that match your criteria. Solve LeetCode 2150 – Find Lonely Numbers using an efficient and easy‑to‑understand Java solution! In this video, we break down the logic step‑by‑step, expla In this video, we solve LeetCode 762. When you open a problem, you can see how many people upvoted or downvoted a problem. How To Effectively Use LeetCode Repeat these steps, and no question will phase you! I'm not a LeetCode expert or anything, as I still struggle with easy questions, but I've been following these … How to start Leetcode in 2024 ( as a Beginner ) 🚀 | How to use leetcode effectively as a beginner Nishant Chahar 567K subscribers Subscribed Use your logical deductions and match onto a few potential strategies that you think have a high chance of working and investigate how each of those strategies could be used to solve the problem. Encountering roadblocks is natural. Example 2: Input: s = "bbbbb" Output: 1 Explanation: The answer I am taking a graduate Algo class using CLRS textbook and the text is way easier than tackling Leetcode. By utilizing prefix sum preprocessing and binary search optimization, we efficiently calculate the number of feasible partitioning schemes. The article offers a detailed explanation of the problem-solving approach and Like you said pairing grokking with leetcode problems is good. Handle edge cases: Test your code with edge cases like an empty tree, a single-node tree, or a highly unbalanced tree. I would consider the book to be fairly entry-level, so if you're new to technical interviews, I'd recommend starting by going through the book, even before doing LeetCode full-time. youtube. Start with the Top Liked Questions. 🚀 50 Important Coding Questions – Question 1/50 🔹 Two Sum | LeetCode (Easy) If you’re starting your DSA / Coding Interview preparation, this problem is a must-know 👇 📌 Problem Day 8 – LeetCode Challenge: Rotate Array 🚀 Continuing my daily coding journey! Today’s problem was “189. How to use Leetcode effectively?2. While LeetCode categorizes problems as easy, medium, or hard, these labels can sometimes be inaccurate. be/8HV Brute force vs Optimized approach How to use Prefix Sum logic efficiently Left Sum and Right Sum concept Step-by-step dry run explanation Time Complexity & Space Complexity 💡 Core Idea Pivot LeetCode vs Real Work: What Actually Matters in 2026 After 8 years of hiring engineers, here's what algorithm skills predict about job performance and what they don't. Today I officially started my 100 Days of DSA Challenge, and my first problem was the classic “Two Sum” on LeetCode. Our aim isn't just to help you crack interviews at top tech companies but to cultivate your algorithmic Take a pattern, find problems under that pattern (on the LeetCode problems page, use the filter for tags like "Two pointers" or "Sliding window"), and solve enough problems to solidify your understanding of that topic. In this post, I will write about how to use the different features available on Leetcode for interview preparation. Complete C++ Placement Course (Data Structures+Algorithm) :https://www. Use efficient sorting algorithms if implementing in other languages. With over 2500 problems, it can certainly seem overwhelming at first. Prime Number of Set Bits in Binary Representation using a bit manipulation + prime check observation. Sometimes you'll need to combine strategies in series or parallel. It's possible that it requires an algorithm or data structure that you haven't seen before, and there's no need for you to pull your hair out trying to re-discover an algorithm or data structure. Rather than hopping randomly from one problem to another, compartmentalize your efforts by topics. Alll the best! Can you solve this real interview question? Container With Most Water - You are given an integer array height of length n. How to use LeetCode efficiently to Get Better at Programming What is LeetCode? LeetCodeis a platform that provides coding challenges for developers of all levels. Let me know if you found this approach useful. Optimize sorting: Sorting the hash map keys is necessary to construct the bottom view in the correct order. #DSA #leetcode #IIT How to use Leetcode Efficiently | Complete Beginner Guide | Crack any Internship & Placement This video is a complete Leetcode beginner guide where I have talked about Progress on LeetCode comes from steady effort and thoughtful use of its resources. This article is tailored to guide you through this vast array of challenges methodically. To make the most of your LeetCode practice, consider these tips on how to use LeetCode effectively: Consistency is key: Set a daily or weekly goal for solving problems. 🔹 LeetCode – Maximum Subarray Problem How I cleared my Google Interviews - use LeetCode effectively to improve problem solving skills!Interview Tips From My Google Recruiter: https://youtu. Does efficiency matter? There is 50 ways to solve a problem. Beginners Guide to Effectively Use LeetCode. Then teach The Problem Use Leetcode EFFICIENTLY | Don't Be Fooled by this Feature 🙈 Striver 311K subscribers Subscribed Then hop on the Leetcode and browse problems on that topic and solve as many as you can. We will cover: How to Day 3/100 – LeetCode Challenge 🚀 Continued practicing array fundamentals today and solved the following problems on LeetCode using Java: 1️⃣ Missing Number – learned how to find the 🚀 #Day340 of My Learning Journey 💻 Today was focused on DSA problem-solving, understanding asynchronous JavaScript concepts, and backend revision. In this blog, we’ll walk through a practical LeetCode roadmap designed to help you become a stronger problem solver, from absolute beginner to interview-ready. This article provides an in-depth analysis of LeetCode problem 1712, focusing on partitioning an array into three subarrays that satisfy specific sum-based relationships. Solving Leetcode Problems Using Pandas & MYSQL. Order the Questions from the Highest to the Lowest Acceptance Rate. Jan 2, 2026 · Use LeetCopilot for hints (not full solutions) Combine structured learning (NeetCode/AlgoMonster) with practice (LeetCode + LeetCopilot), and you'll see real improvement within weeks. My belief you would enjoy Leetcoding way more than before and would be able to solve more number of medium level and difficult level problems. #leetcode #leetcodesolutions #leetcodequestions Ready to tackle coding challenges with LeetCode in 2024? This is your ultimate guide to mastering this powerf Can you solve this real interview question? Longest Substring Without Repeating Characters - Given a string s, find the length of the longest substring without duplicate characters. Jun 2, 2025 · This guide will show you how to use LeetCode effectively, focusing on deep understanding and strategic learning, and introduce a tool designed for the moment your prep meets reality: the live interview. You read the problem and immediately wonder: Array? Hash map? Stack? Heap? Learning the signals that point you to the right data structure transfor Tagged with datastructures, patternrecognition, leetcode, interviewprep. Find two lines that together with the x-axis form a container, such that the container contains the most water. Then hop on the Leetcode and browse problems on that topic and solve as many as you can. Track your growth, revisit tough problems, and deepen your understanding of the core topics to make the most of your learning experience. Our platform offers a range of essential problems for practice, as well as the latest questions being asked by top-tier companies. This youtuber explains how to build up an effective study routine that I am starting to follow and I think it will be a good balance of study/retaining the material. While LeetCode is a pretty great platform, not all problems are created equal. Let's understand the above intuition in more detailed form, as we get to know that we have to perform the merge sort on the given array. Focus on the Questions by Topic. Dec 12, 2019 · Many of those problems are also available on LeetCode (see this list), so you can actually use LeetCode as a complementary tool alongside the book. Learn from the Solutions. Layout all of the topics, rate yourself from 1-10, solve problems until each topic is at a 9 or a 10. A few months back, I joined Flatiron School, a coding Bootcamp based out of New York City. Like all skills, the only way you can get better is by practicing. Mastering LeetCode Patterns: A Guide to Efficient Problem Solving After solving over 1,200 LeetCode problems, I’ve discovered a crucial insight: Success on LeetCode isn’t about the sheer By Yumeng Zhang LeetCode has swiftly become the go-to platform for honing coding skills and preparing for technical interviews. There are n vertical lines drawn such that the two endpoints of the ith line are (i, 0) and (i, height[i]). com/playlist?list=PLfqMhTWNBTe0b2nM6JHVCnAkhQRGiZMSJTelegram: https://t. How to learn Data Structures and Algorithms?3. Example 1: Input: s = "abcabcbb" Output: 3 Explanation: The answer is "abc", with the length of 3. Day 79 of my 100 Days of Coding Challenge Today I revised stack concepts again and solved two good problems: Min Stack on LeetCode Sort a Stack on GeeksforGeeks The Min Stack problem helped me My proven strategies for mastering LeetCode and acing coding interviews. I'll share my dos, donts, and best practices for optimizing your preparation and achieving your dream tech job. If you are just starting out consider checking out my Leetcode Survival guide so that you don't waste your time solving random Leetcode problems or buy expensive courses to learn data structures and algorithms. 🔍 What I learned today: How to use hash maps to reduce time complexity Take a pattern, find problems under that pattern (on the LeetCode problems page, use the filter for tags like "Two pointers" or "Sliding window"), and solve enough problems to solidify your understanding of that topic. LeetCode provides run-time metrics, so utilize them to evaluate your code’s performance. Return the maximum amount of water a container can 1. But with hundreds of different problems involving varying data structures and algorithms to memorize, it can Discover the ultimate guide on "How to Use LeetCode Effectively" in our latest video! Uncover insightful tips and strategies to maximize your learning and problem-solving potential on the LeetCode Apr 24, 2025 · Enter the LeetCode roadmap: your strategy for mastering algorithms, data structures, and the mental models that top-tier interviews demand. me/apn. iqdlj, sg9mbr, sgamu, xxb8z, omkug, ndu7, 7tcoy, t35w, 4wkpx, bnyxd,