#leetcode

おっち

@ottijp.com

8 hours ago

今週のWeekly Contest 493だん．26164位．
始まってから起きて，寝起きそのままやって，まだ頭も痛くて散々だった．やらないほうがよかった．
#LeetCode
leetcode.com/contest/week...

おっち

@ottijp.com

20 hours ago

今回のBiweekly Contest 178だん．20193位．
#LeetCode
頭痛くてダメだった．
leetcode.com/contest/biwe...

おっち

@ottijp.com

1 day ago

今日やったやつ．（Easy, 617）
Python, Runtime: 19.63%, Memory: 13.04%, Time: 8min
#LeetCode
leetcode.com/problems/mer...

おっち

@ottijp.com

3 days ago

今日やったやつ．（Easy, 965）
Python, Runtime: 100.00%, Memory: 87.46%, Time: 8min
#LeetCode
leetcode.com/problems/uni...

おっち

@ottijp.com

4 days ago

今日やったやつ．（Easy, 1009）
Python, Runtime: 100.00%, Memory: 6.25%, Time: 8min
#LeetCode
leetcode.com/problems/com...

Status Is Down

@statusisdown.bsky.social

4 days ago

Leetcode is reportedly down for some developers right now. Are you one of them? #LeetCode #LeetCodeDown community.designtaxi.com/topic/24771-is-leetcode-...

おっち

@ottijp.com

4 days ago

今日やったやつ．（Easy, 941）
Python, Runtime: 96.44%, Memory: 70.51%, Time: 6min
#LeetCode
leetcode.com/problems/val...

おっち

@ottijp.com

6 days ago

今日やったやつ．（Easy, 1598）
Python, Runtime: 100.00%, Memory: 77.89%, Time: 5min
#LeetCode
leetcode.com/problems/cra...

Far Away

@nothing-else.bsky.social

6 days ago

Why Rust? (And Why It Feels Hard in Interviews) Choosing Rust as your language for a coding interview is a bold choice. Rust is not ergonomic under time pressure. Unlike Python or Java…

Rust is popular. Many companies are looking for Rust Expert. Are you ready to do a Coding round of a Job Interview in Rust?

#Rust #Job #Interview #Leetcode #Programming

medium.com/@yalovoy/why...

Kubernetes

@kubernetes.activitypub.awakari.com.ap.brid.gy

6 days ago

I Tried 30+ System Design Courses: Here Are My Top 6 Recommendations for 2026 Hello friends, in 2026, the AI era, System Design has become one of the most sought-after skills for software engineers, solution architects, and senior developers. Whether you’re aiming for a FAANG-level interview, building the next unicorn startup, or designing scalable systems in AI, blockchain, or cloud computing, a deep understanding of system design is no longer optional — it’s essential. Over the past few years, I’ve explored more than 30 courses from platforms like ByteByteGo, Educative.io, Udemy, Exponent, Codemia.io, Bugfree.ai, and Designgurus.io, plus a handful of top-rated books. My goal was to find resources that don’t just explain concepts in theory but also show you how to apply them to real-world systems — with case studies, architectural diagrams, and hands-on practice. After years of learning and testing, I’ve narrowed it down to my top 6 picks for mastering system design in 2026. ## How I Chose These Courses? To ensure this list stays relevant and valuable, I evaluated each course based on these criteria: * Content Quality & Depth — Does it cover core topics like scalability, distributed systems, load balancing, caching, databases, and microservices? * Real-World Applications — Are there examples from actual systems like Netflix, Uber, WhatsApp, and ChatGPT? * Practical Learning — Does it include case studies, exercises, and diagram walkthroughs? Does the platform provides features for practicing? * Instructor Expertise — Are the instructors experienced engineers or architects with real-world experience? * Community & Support — Is there a way to ask questions, get feedback, or connect with other learners? * Industry Relevance — Are the concepts updated for current architectures like serverless, containerization, and AI-powered systems? While not every course pass in every criterion, for example ByteByteGo and Designgurus.io was good on theory and general System Design concepts learning but it doesn’t provide environment to practice System Design questions. I recommend you to combine that with Codemia.io or Bugfree.ai to get the practice and AI mock interview part for complete practice. Similarly, Exponent was great for mock interviews but Educative.io and Bugfree.io’ AI mock interview is also worth trying. ## Master System Design & Behavioral Interviews Like Leetcode ### Prepare for software engineering interviews with 150+ system design and 30+ behavioral questions at bugfree.ai. Get… www.bugfree.ai ## My Top 6 System Design Courses for 2026 Without any further ado, here are my top 6 recommendations for learning System Design for technical interviews. These courses and resources are not just to learn general System Design concepts but also solve company specific questions and practice online. ### 1. ByteByteGo — System Design Mastery (Premium Pick) ByteByteGo is my number one recommendation if you want visual, practical, and up-to-date system design learning. Founded by Alex Xu (author of _System Design Interview — An Insider’s Guide_), it’s a goldmine of beautifully crafted diagrams, step-by-step explanations, and case studies covering everything from classic designs to modern AI-driven architectures. Key Features: * Deep dives into 50+ real-world system architectures * Updated for 2026 (serverless, edge computing, LLM integrations) * Animated visuals and flow diagrams * Weekly new content drops Perfect For: Engineers who want a premium, all-in-one system design resource that blends theory, visuals, and practice. They have also done the full website refresh recently as part of their relaunch and added all the content of their _7 best selling books_ on System Design, OOP Design, ML System Design, and Generative AI Design on the platform. They are now also offering 50% discount on their lifetime plan, the one I bought and the one I highly recommend to my students and readers. Here is the link to join — Get 50% discount They also provide ByteByteGo 101, a collection of 101 coding questions divided on key coding interview patterns like two pointers, fast and slow pointers etc for practice, which makes them the complete package for tech interview in 2026. ## System Design · Coding · Behavioral · Machine Learning Interviews ### Everything you need to take your system design skill to the next level bytebytego.com ### 2. Grokking the System Design Interview — DesignGurus.io The original _Grokking_ course is a favorite for FAANG interview prep. It breaks down system design problems into a clear, repeatable framework so you can approach any interview question with confidence. Key Features: * Covers 15+ popular interview problems * Step-by-step solution walkthroughs * Includes scalability, fault tolerance, and data partitioning concepts * Fully interactive coding environment Perfect For: Engineers focused on nailing system design interviews at top tech companies. Here is the link to join this course — Grokking the System Design Interview And, if you like these Grokking interview courses from DesignGurus.io, you can get all of them for a big discount by purchasing their All course bundle. ## All Courses ### Buy all courses together to save 60% and have lifetime access. designgurus.org This bundle include their most popular Grokking courses like Grokking System Design Interview, OOP Design, Coding Patterns, as well Grokking Dynamic programming interview. You can also use code GURU to get 55% discount now. ### 3. System Design Masterclass (2026) — Udemy This Udemy bestseller is taught by FAANG engineers and focuses on practical interview readiness. You’ll work through popular real-world problems while mastering the fundamentals of architecture design. Key Features: * 20+ case studies and design walkthroughs * Covers scalability, APIs, databases, and distributed systems * Affordable, often available at 80% off during sales * Lifetime access to all updates Perfect For: Budget-conscious learners who want high-quality video-based learning from experienced engineers. Here is the link to join this course — System Design Masterclass (2026) By the way, Udemy also have many great System Design courses which are worth checking out, like the one from Frank Kane, ex Amazon Hiring Manager and Sandeep’s System Design course. And, if you want to join multiple course on Udemy, its may be worth getting a Udemy Personal Plan, which will give instant access of more than 11,000 top quality Udemy courses for just $30 a month. If you got a lot of time and want to save money, _Udemy Personal Plan_ will be perfect for you. ### 4. System Design Interview Prep — Exponent Exponent is known for interactive, mock interview-style preparation. Their system design course simulates real interview scenarios, complete with frameworks, whiteboard practice, and peer feedback. Key Features: * Live and asynchronous practice sessions * Feedback from experienced interview coaches * Video guides and question banks * Tailored for tech interview success Perfect For: Engineers who want hands-on interview simulation before stepping into the real thing. Here is the link to join this course — System Design Interview Prep — Exponent Another great thing I like about Exponent is their Mock interviews. They provide 5 free mock interviews with peers which also replenish when you get good feedback. These are great to practice like an interview setting and also learning from peers. And, if you got any FAANG interview lined up then you can also use their _FAANG experts_ to interview for real test. This is not free but within $200 you can get a real shot at what to expert at FAANG interviews. I highly recommend them to you if you have interview with Google, Amazon or Meta. I also suggest you to get an Exponent subscription to watch this course which you can get it for just $12 a month now (U.P $79 per month) which is like 70% discount. The membership will not only give you access to this course but also all of their courses, mocks, videos, private community, and AI features for better interview preparation. ### 5. Grokking the Modern System Design Interview — Educative.io This one is another great System Design interview course you can join to prepare for FAANG interviews from one of the most interactive learning platform, Educative.io. Once you’ve mastered the basics, this course dives deep into complex, large-scale systems — think designing YouTube-scale platforms, AI pipelines, and multi-region deployments. Key Features: * Advanced topics like event-driven architecture, CQRS, and Kafka * Real-world examples from high-scale systems * Clear diagrams and problem breakdowns Perfect For: Mid-to-senior engineers looking to level up their architectural thinking. Here is the link to join this course — Grokking the Modern System Design Interview Btw, you would need an Educative subscription to join this course, which not only provide access to this course but more than 1200+ courses to learn essential tech skills, prepare for coding interview and improve yourself as a Developer. If you want to invest yourself and upgrade your tech skill, this is one subscription you definitely need. They are also offering 60% discount now. ## Educative Unlimited: Excel with AI-Powered Learning ### Ready to level up your career? Lock in unlimited access to Educative’s entire library of 1200+ hands-on Courses… www.educative.io ## 6. Bugfree.ai Apart from these, Bugfree.ai is another site which caught my attention and I found spending quite a lot of time there. If you prefer learning by _doing_ rather than just watching videos, Bugfree.ai is a powerful platform to practice System Design in a more hands-on way. Instead of only consuming theory, you get to actually design systems and receive structured feedback, which makes a big difference when preparing for real interviews. What makes Bugfree.ai stand out is its AI-assisted evaluation that reviews your design approach, highlights gaps, and suggests improvements — almost like having a mock interviewer available anytime. This is especially useful when you don’t have a study partner or mentor to review your solutions. Key Features: * AI feedback on your system design answers * Real interview-style system design questions * Focus on structuring answers clearly and covering trade-offs Perfect For: Engineers who already know the basics and want to sharpen their interview communication and system design thinking through practice. Here is the link to join — Bugfree.ai (25% OFF) And, if you want to complement these courses with books, I recommend: * 📚 _System Design_ _Interview_ _— An Insider’s Guide_ by Alex Xu * 📚 _Designing Data-Intensive Applications_ by Martin Kleppmann These books are timeless references that deepen your understanding of distributed systems and large-scale architecture. ## System Design Interview — An insider’s guide ### System design interviews are the most difficult to tackle of all technical interview questions. This book is Volume 1… www.amazon.com ## Designing Data-Intensive Applications: The Big Ideas Behind Reliable, Scalable, and Maintainable… ### Designing Data-Intensive Applications: The Big Ideas Behind Reliable, Scalable, and Maintainable Systems [Kleppmann… amzn.to You don’t need too many books, just read these two books in detail and you will be really good shape to answer System design questions on interviews. ## Why ByteByteGo Stands Out? While all these courses are excellent, ByteByteGo earns my premium pick for three reasons: 1. Visual-First Learning — They have the best visual diagrams on all the topics on System Design which make even the most complex systems easy to understand. 2. Constant Updates — The platform keeps pace with modern architectures, from microservices to AI integrations. They have now uploaded all the content from their 7 best-selling books on Object Oriented Design, Machine Learning System Design, Gen AI System Design and even Coding patterns and behavioral interviews. 3. Practical Depth — You’re not just learning theory — you’re exploring real-world production systems. Most of their contents are written by FAANG engineers which have experience at both side of the table. If budget allows, I suggest starting with ByteByteGo for mastery and pairing it with the likes of Codemia.io or Bugfree.ai to get the practice and AI mock interview for best preparation of FAANG interviews in 2026. They are now also offering 50% discount on their lifetime plan, which means they are now even more valuable and once you buy their lifetime plan which is just the cost of a couple of years, you won’t need any resources. Every time you need to prepare for interview or just want to stay up to date you can use the platform. Here is the link to join — Get 50% discount They also provide ByteByteGo 101, a collection of 101 coding questions divided on key coding interview patterns like two pointers, fast and slow pointers etc. I am practicing their now almost everyday. ### Final Thoughts That’s my list of the top 6 system design courses for 2026. Whether you’re preparing for a big tech interview, designing complex systems at work, or just looking to level up your architecture skills, these resources will give you the frameworks, knowledge, and confidence to succeed. * Start with ByteByteGo if you want the best all-around experience * Add either Codemia.io or Bugfree.ai for structured and live interview practice * Use books and Designgurus.io to dive deeper into advanced concepts * Use Exponent for mock interviews with peers(free) and experts (paid) With consistent study and practice, you’ll be well-prepared to tackle any system design challenge that comes your way in 2026. Other System Design and Coding Interview and Resources you may like * 16 Best Resources for System Design Interview Prep * Is DesignGuru’s System Design Course worth it * Why ByteByteGo is the best website for Coding interview in 2026? * Why AlgoMonster is best platform for DSA Prepration in 2026 * Is Exponent’s System Design Course worth it? * Is OOP Design Interview — An Insider Guide worth it? * ByteBytego vs Exponent? which one is better? * 10 Best Places to Learn System Design in 2026 * My Favorite Software Design Courses for 2026 * ByteByteGo vs NeetCode vs Educative? which one is better? * DesignGurus.io Review 2026 — Is it worth it? * Is ByteByteGo a good place for Coding interviews? * 3 Free Books and Courses for System Design Interviews * Should you join ByteByteGo to learn System Design? * Is System Design Interview RoadMap by DesignGuru worth it? * ByteByteGo 50% OFF? Should you Join? * 10 Reasons to Learn System Design in 2026 * Is Exponent Good Place for Coding Interview Prep? * 6 Best System Design and API Design Interactive Courses * Top 6 System Design YouTube Channels for Engineers * How to prepare for DSA for coding interviews? * 3 Places to Practice System Design Mock interviews * Is Designing Data-intensive application book worth reading? All the best for your Coding Interviews, if you have any doubts or questions, feel free to ask in the comments. _P. S. —_ _If you want to do just one thing then_ _join ByteByteGo_ ___and learn System Design Concepts and practice coding interviews you will thank me later. It’s one of the most comprehensive resource for not just coding interview but also for senior engineers to get better at their work. They are also_ _offering 50% Discount now_ _._ ## System Design · Coding · Behavioral · Machine Learning Interviews ### Everything you need to take your system design skill to the next level bytebytego.com

I Tried 30+ System Design Courses: Here Are My Top 6 Recommendations for 2026 Hello friends, in 2026, the AI era, System Design has become one of the most sought-after skills for software engin...

#Coding #Interviews #LeetCode #online #resources #System #Design

Origin | Interest | Match

Kubernetes

@kubernetes.activitypub.awakari.com.ap.brid.gy

1 week ago

I Tried ByteByteGo and LeetCode — Here’s the Better One for Interview Prep Hello guys, preparing for a technical interview in 2026 looks very different from what it did a few years ago. With companies increasingly expecting engineers to demonstrate both coding proficiency and system design thinking, the tools you choose for your preparation can make or break your success. Two names dominate the interview prep world — LeetCode and ByteByteGo. LeetCode has been the go-to platform for coding problem practice for years, while ByteByteGo has emerged as a comprehensive, pattern-based learning ecosystem for mastering the _why_ behind coding and design. If you’re wondering which one gives you a real edge in cracking FAANG-level interviews, this in-depth comparison will help you decide. By the way, if you are in hurry and just want to know which one to join then I suggest go and join ByteByteGo, its now the complete platform for technical and coding interviews, covering coding problems, system design, OOP design, and ML System Design. They are also offering a rare 50% discount now on lifetime plan, I got the same one and I highly recommend it to any software engineer looking for a chance or break into FAANG or big investment banks. Here is the link to join ByteByteGo now — 50% discount on ByteByteGo ## 1. Overview: What Each Platform Offers? Let’s start with what each of these two popular platform offers in terms of preparing for tech interviews, particulalry FAANG interviews. ### LeetCode: The Problem-Solving Giant LeetCode is the most well-known coding practice platform, offering thousands of problems categorized by difficulty, topic, and company. It’s a great place to build problem-solving stamina through consistent repetition and pattern recognition. You can filter problems by tags (like “Dynamic Programming” or “Binary Tree”), simulate interviews, and discuss solutions with a huge community of developers. However, LeetCode is primarily a practice-driven platform — it helps you grind problems but doesn’t focus deeply on _teaching_ the underlying concepts or system-level thinking. ### ByteByteGo: The All-in-One Interview Learning Platform ByteByteGo takes a very different approach. Founded by Alex Xu (author of _System Design Interview — An Insider’s Guide_) and Sahn Lam, it’s built to help developers _understand_ and _apply_ concepts, not just memorize solutions. While it covers coding interview patterns, its real strength lies in being a complete technical interview preparation platform — with rich visual explanations, structured patterns, and lessons that go far beyond coding problems. In fact, ByteByteGo covers: * Coding interview patterns and exercises (with visual solutions) * System Design for interviews (from small to large-scale architecture) * OOP Design Patterns * Machine Learning System Design * Generative AI System Design * Mobile App System Design And right now, they’re offering a massive 50% OFF Lifetime Plan — which gives you unlimited access to all these modules forever. It’s a one-time investment that replaces multiple subscriptions from other sites. 👉 Check out the ByteByteGo Lifetime Plan here ## 2. Coding Interview Prep: Patterns vs. Problems The biggest difference between ByteByteGo and LeetCode lies in approach. * LeetCode focuses on _quantity_. You get thousands of problems to solve, which helps build confidence but often leads to “pattern fatigue.” You might solve 500 problems but still struggle to recognize the underlying pattern in a new one. * ByteByteGo, on the other hand, focuses on _quality and structure_. It organizes problems into coding patterns — Sliding Window, Two Pointers, BFS/DFS, Dynamic Programming, etc. Each pattern is broken down visually and conceptually before you solve practice problems. This pattern-based approach trains you to recognize problem archetypes instantly — exactly what senior interviewers expect during coding rounds. If you’re short on time and want to learn _strategically_ , ByteByteGo gives you a much better return on effort. In fact, they also give you a curated list of 101 problems known as ByteByteGo 101 which is based upon 19 most popular coding interview patterns like two pointers, sliding window, prefix sum, hashset and hashmap, I highly recommend you to solve that to build the expertise in quick time. Here is the link — Join ByteByteGo now for 50% OFF ## 3. System Design and Architecture Coverage This is where ByteByteGo truly shines. LeetCode does not cover system design in any structured way — it’s entirely focused on algorithmic problems. If you’re preparing for mid-level, senior, or staff-level roles, that’s a huge gap. ByteByteGo, in contrast, offers an entire ecosystem of visual, in-depth system design content, including: * Classic System Design Topics — caching, load balancing, messaging queues, databases, and scalability. * Case Studies — designing systems like Twitter, Netflix, Instagram, and Uber. * Emerging Topics — LLM-based systems, AI architectures, and mobile system design. * OOP and Microservices Design Patterns — for better modular design thinking. Each topic is paired with visual explanations, diagrams, and scenario-based Q&A — making it easier to retain and apply the concepts during real interviews. Here is an example of that where ByteByteGo explained how to design a Notification Push system It’s no surprise that many engineers say ByteByteGo feels like “LeetCode + Educative + Exponent + DesignGuru in one place.” ## 4. Learning Experience: Visual vs. Textual Now, let’s compare the learning experience between these two stalwarts, ByteByteGo and LeetCode: * LeetCode offers text-based questions and community-driven solutions. It’s efficient for repetition but can be hard to grasp for visual learners. * ByteByteGo excels in visual storytelling — every concept, from caching layers to load balancers, is explained with clean diagrams and intuitive visuals. This makes it far easier to understand complex distributed systems, a must-have skill for system design interviews in 2026, especially if you’re targeting backend, SDE-II+, or architect roles. The visual guides really makes it easy to understand complex concepts. They also have many System Design cheat sheets like this to quickly remember key System Design concepts before interviews credit — ByteByteGo ## 5. Cost and Value Now, let’s compare the most important thing, the cost and the valu proposition? which one is more affordable and which one provides more value? ByteByteGo or LeetCode? LeetCode * Model: Free but LeetCode Premium is Subscription-based * Price Range: $39 per month to $299 per year * Best For: Practicing coding problems and accessing company wide questions and premium content. ByteByteGo * Model: Annual or One-time Lifetime Plan * Current Offer: 50% OFF * Best For: Complete interview preparation — covers coding, system design, OOP design, ML system design, GenAI system design, and mobile system design Verdict: * If you’re preparing for the long term or want resources beyond coding practice, ByteByteGo Lifetime Plan is a far better investment. It’s more affordable over time and provides a structured, all-in-one roadmap for mastering both coding and design interviews. 👉 Claim the 50% OFF Lifetime Deal on ByteByteGo here ## System Design · Coding · Behavioral · Machine Learning Interviews ### Everything you need to take your system design skill to the next level bytebytego.com ## 6. Community and Support You cannot learn alone and even if you will try, you will get better results with communities and friends and when it comes to Community and Support, LeetCode has massive advantage. * LeetCode has a massive open community — millions of users post solutions, discuss ideas, and share interview experiences. However, the discussions vary widely in quality. * They also have many subreddits dedicated to LeetCode questions and people solving leetcode problems where you can look for buddies as well. * ByteByteGo offers a curated, high-signal learning community with regular content updates and expert-led insights. * Since the platform is run by real FAANG engineers, the guidance and feedback are more precise and up-to-date with actual interview trends. ## 7. Verdict: Which One Should You Choose? Here’s the short answer: * If your goal is to practice coding problems daily, LeetCode is still one of the best free resources. * But if you want to understand the patterns, master system design, and prepare comprehensively for FAANG-level interviews in 2026, ByteByteGo is the better investment. It’s not just a platform — it’s a structured learning path covering everything from data structures to AI system design. And with their current 50% OFF Lifetime Plan, it’s arguably the best deal available right now for serious developers. Here is the link — Join ByteByteGo now with 50% Discount ## Final Thoughts The difference between a good engineer and a great one often comes down to how deeply they understand the “why” behind what they build. LeetCode will sharpen your algorithmic problem-solving muscles. But ByteByteGo will train you to think like an engineer, design like an architect, and communicate like a senior developer — all critical skills to land top-tier tech jobs in 2026. If you’re looking for one platform that does it all — coding, design, and AI engineering — ByteByteGo is the clear winner. ## System Design · Coding · Behavioral · Machine Learning Interviews ### Everything you need to take your system design skill to the next level bytebytego.com Other Programming and Interview Articles you may like * 20+ array-based Problems for interviews * How Algomonster helped me to master DSA for interviews? * 10 Best Courses to Learn System Design for Interviews * 7 Best Courses to Learn Data Structure and Algorithms * 25 Software Design Interview Questions for Programmers * How to Prepare for Coding Interviews? * 16 Best Resources for System Design Interview Prep * Is DesignGuru’s System Design Course worth it * Algomonster Review 2026— Is it worth it? * ByteByteGo vs NeetCode vs Educative? which one is better? * Is ByteByteGo a good place for Coding interviews? * 3 Free Books and Courses for System Design Interviews * Is System Design Interview RoadMap by DesignGuru worth it? * Is Exponent’s System Design Course worth it? * LeetCode vs AlgoMonster? Which is better for Coding Interview? * 10 Best Places to Learn System Design in 2026 * My Favorite Software Design Courses for 2026 * ByteByteGo 50% OFF? Should you Join? * 10 Reasons to Learn System Design in 2026 * 100+ Coding Problems to Crack Your Coding Interview Thanks for reading this article so far. If you like this article then please share them with your friends and colleagues. If you have any questions or feedback, then please drop a note. > P. S. — If you just want to do one thing at this moment, go join ByteByteGo and start learning System Design and Coding Interview concepts, you will thank me later. Make it a goal for the new year and you will surely be a better Software Engineer. ## System Design · Coding · Behavioral · Machine Learning Interviews ### Everything you need to take your system design skill to the next level bytebytego.com

I Tried ByteByteGo and LeetCode — Here’s the Better One for Interview Prep Hello guys, preparing for a technical interview in 2026 looks very different from what it did a few years ago. With co...

#ByteByteGo #Coding #Interviews #LeetCode #System #Design

Origin | Interest | Match

おっち

@ottijp.com

1 week ago

今週のWeekly Contest492だん．7253位．
花粉でまったく集中して考えられない．
#LeetCode
leetcode.com/contest/week...

おっち

@ottijp.com

1 week ago

今日やったやつ．（Easy, 3028）
Python, Runtime: 21.05%, Memory: 98.09%, Time: 3min
#LeetCode
leetcode.com/problems/ant...

LLMs

@llms.activitypub.awakari.com.ap.brid.gy

1 week ago

I found Leetcode for System Design and its Awesome credit- codemia.io Hello guys, If you’re preparing for FAANG interviews, then you already know that Data Structures & Algorithms (DSA) and System Design are two key areas where you will be tested rigorously. While LeetCode is the go-to platform for DSA, system design has always been a challenge — until now. I recently found Codemia.io, and I must say, it feels like the LeetCode for System Design. If you’ve struggled with structuring your system design answers, getting real feedback, or knowing whether your approach is correct, Codemia.io is a game-changer. They not just have the biggest collection of System Design and OOP Design problem for practice they also have a free System deign course called Tackling System Design Interview Problems, which is a great free resource to learn essential System Design concepts. It’s a short course with 2 hour of content but powerful and also have quizzes to test your skills. Here are all the key System deign topics you can learn on this free course: Now, let’s checkout how Codemia.io can help you to prepare better for your System design and OOP Design interview and why I think its like Leetcode for System design. ## Why System Design Needs a Platform Like Codemia.io? Most system design resources today are long, text-heavy articles or expensive courses. The problem? 1. No hands-on practice — Reading about system design isn’t enough; you need to actively design solutions. 2. No structured progression — Unlike DSA, where problems are categorized by difficulty, system design prep often feels random and overwhelming. 3. No evaluation or expert feedback — You don’t just need an answer; you need to know why one design is better than another. This is where Codemia.io changes the game. ## What Makes Codemia.io Special? Instead of just giving you theory-heavy content, Codemia.io provides an interactive, structured, and guided approach to system design. Here’s what I loved: ### 1. Real-World System Design Problems Codemia.io has over 120+ system design problems, each with a structured approach similar to how LeetCode presents DSA problems. For example, consider the classic “Design a URL Shortening Service” problem. You start with: 1. Functional and Non-Functional Requirements 2. Capacity Estimation 3. Database Schema and API Design 4. High-Level & Low-Level Design It guides you step by step so you don’t feel lost. Bonus: You also get access to a drawing board where you can sketch your architecture, just like in a real system design interview. And most importantly they also share expert solution for most of the problems to see how an expert should answer that question. For example, here is the solution of how to design a URL shortening service and its also available for free ### 2. Difficulty-Based Categorization Just like LeetCode, both System design and object oriented design problems are categorized as: * Easy — Foundational concepts like Load Balancing, Caching, Message Queues * Medium — Scenarios like Rate Limiting, Search Autocomplete, Real-Time Chat Systems * Hard — Complex designs like Distributed Databases, Cloud Storage, and Microservices Architecture Each problem also includes company tags so you can focus on what’s asked at FAANG and other top tech companies. For example, this how to design Twitter problem is a medium scale problem which you can see to get some experience. It’s also free. ### 3. AI-Powered Hints & Evaluations One of the best features is AI-assisted guidance. You get to chat with the coach — the AI agent which will help you with the question and solution. 1. If you get stuck, AI provides hints — just like LeetCode’s hint system. 2. If you submit a design proposal, AI evaluates it against industry best practices. 3. You get automated feedback on scalability, fault tolerance, and efficiency. This bridges the gap between self-learning and expert mentorship. ## Beyond System Design: Object-Oriented Design & AI Interviews Codemia.io goes beyond just system design. It also covers Object-Oriented Design (OOD) Questions. If you don’t know , Object-Oriented Design is a common low-level design (LLD) round at FAANG. Here are OOP problems you can solve on codemia.io to get some practice: * Classic problems like Parking Lot, ATM Machine, and Hotel Booking System * Step-by-step UML diagrams and class structure explanations * Comparison of different design patterns If you struggle with OOD interviews, this is a goldmine. Here is also all the OOP design problems available on Codemia.io ## Codemia.io vs DesignGurus.io vs Educative Now, let’s see how codemia.io compares with other popular resources we have used in past to prepare for System Design interview, notably DesignGurus.io whose _Grokking the System Design Interview course_ is also one of my favorite and Educative.io, whose modern System design course is also a great resource. You can see that codemia.io have highest number of practice problems, 120+ and growing, no other platform have that many questions which is also the big plus point of this platform and that’s why I called it “Leetcode of System Design”. Second important point is expert written solution, also known as editorial solution in this website. There are mor than 80+ such solution which are great resource to compare your solution, learn from them and also find how to answer such questions. What point to mention, what should you discuss, tradeoffs and so much more. Another plus point of codemia.io is that it has object oriented programming questions which is not available in other courses, though _DesignGurus.io_ have _Grokking the Object Oriented Design Interview course_ __ which you can use for OOP design practice, but again when it comes to numbers, codemia.io wins. So far we have compared the content but if we talk about platform, codemia.io have especially designed for online practice, particulary deisgn questions. It comes with Interactive learning tools, interactive feedback and evaluation, chatbot and a great design tool for drawing. No other platform support so much feature which is essential to master system design. Then there is community and you can also see the solution of other folks to learn from them. I love this feature as it allows me to see what other folks are thinking and how they solve that problem. This comparative analysis have helped me a lot to learn key system design concepts. Overall, I think, codemia.io is a great platform to prepare for System design and OOP design interview. You may find courses but its hard to find a platform like this. I highly recommend it for anyone preparing for System Design and Tech interviews. And, if you want to join now, you can also use discount code PROMOTION20 to get 20% off now. Here is the link — 20% OFf on Codemia.io ## Final words If you’re preparing for FAANG system design interviews, Codemia.io is a must-try. It solves the biggest problems in system design prep: * Structured learning path (instead of random articles) * Real-world hands-on practice (instead of just reading) * Expert evaluation & AI feedback (so you know what to improve) * Mock interviews to simulate real conditions I’m still exploring Codemia.io, but what I’ve seen so far is truly impressive. _If you’ve tried it, let me know_ _what you liked or didn’t like_ _._ Other System Design Articles and Resources you may like * Is DesignGuru’s System Design Course worth it * 16 best Resources to Prepare for System Design Interview * 10 Reasons to Join Codemia.io for System Design Interview Prep * Is Exponent’s System Design Course worth it? * 16 Best System Design Interview Resources for Developers * Is System Design Interview RoadMap by DesignGuru worth it? * ByteByteGo vs Codemia.io? Which one is better? * 10 Reasons to Learn System Design * 6 Best System Design and API Design Interactive Courses * Top 5 System Design YouTube Channels for Engineers * 10 Best Places to Learn System Design * Is Codemia.io Good Place to Prepare for System Design? * Is ByteByteGo really worth the hype? * 10 Software Design Courses for Developers * 5 Best System Design Newsletters for Interviews * My Favorite Software Design Courses for 2025 * DesignGurus.io vs Codemia.io? Which is better for System Design Interview Prep? * 3 Places to Practice System Design Mock interviews * Codemia.io SALE — 40% OFF to boost your System Design skils * Is Designing Data intensive application book worth reading? Thanks for reading this article so far. If you like this article then please share with your friends and colleagues. If you have any questions feel free to ask in comments. P. S. — They are also offering 20% discount now and you can get access for just $59 for one year, original price is $120 so you have a chance to save$60 and also learn System design better. ## Master System Design Interviews Through Active Practice ### Passively learning system design does not work. Now you can practice system design problems like the way you practice… codemia.io

I found Leetcode for System Design and its Awesome credit- codemia.io Hello guys, If you’re preparing for FAANG interviews , then you already know that Data Structures & Algorithms (DSA) ...

#Codemia.io #Coding #Interviews #LeetCode #online #resources #System #Design

Origin | Interest | Match

PostgreSQL

@postgresql.activitypub.awakari.com.ap.brid.gy

1 week ago

I found Leetcode for System Design and its Awesome credit- codemia.io Hello guys, If you’re preparing for FAANG interviews, then you already know that Data Structures & Algorithms (DSA) and System Design are two key areas where you will be tested rigorously. While LeetCode is the go-to platform for DSA, system design has always been a challenge — until now. I recently found Codemia.io, and I must say, it feels like the LeetCode for System Design. If you’ve struggled with structuring your system design answers, getting real feedback, or knowing whether your approach is correct, Codemia.io is a game-changer. They not just have the biggest collection of System Design and OOP Design problem for practice they also have a free System deign course called Tackling System Design Interview Problems, which is a great free resource to learn essential System Design concepts. It’s a short course with 2 hour of content but powerful and also have quizzes to test your skills. Here are all the key System deign topics you can learn on this free course: Now, let’s checkout how Codemia.io can help you to prepare better for your System design and OOP Design interview and why I think its like Leetcode for System design. ## Why System Design Needs a Platform Like Codemia.io? Most system design resources today are long, text-heavy articles or expensive courses. The problem? 1. No hands-on practice — Reading about system design isn’t enough; you need to actively design solutions. 2. No structured progression — Unlike DSA, where problems are categorized by difficulty, system design prep often feels random and overwhelming. 3. No evaluation or expert feedback — You don’t just need an answer; you need to know why one design is better than another. This is where Codemia.io changes the game. ## What Makes Codemia.io Special? Instead of just giving you theory-heavy content, Codemia.io provides an interactive, structured, and guided approach to system design. Here’s what I loved: ### 1. Real-World System Design Problems Codemia.io has over 120+ system design problems, each with a structured approach similar to how LeetCode presents DSA problems. For example, consider the classic “Design a URL Shortening Service” problem. You start with: 1. Functional and Non-Functional Requirements 2. Capacity Estimation 3. Database Schema and API Design 4. High-Level & Low-Level Design It guides you step by step so you don’t feel lost. Bonus: You also get access to a drawing board where you can sketch your architecture, just like in a real system design interview. And most importantly they also share expert solution for most of the problems to see how an expert should answer that question. For example, here is the solution of how to design a URL shortening service and its also available for free ### 2. Difficulty-Based Categorization Just like LeetCode, both System design and object oriented design problems are categorized as: * Easy — Foundational concepts like Load Balancing, Caching, Message Queues * Medium — Scenarios like Rate Limiting, Search Autocomplete, Real-Time Chat Systems * Hard — Complex designs like Distributed Databases, Cloud Storage, and Microservices Architecture Each problem also includes company tags so you can focus on what’s asked at FAANG and other top tech companies. For example, this how to design Twitter problem is a medium scale problem which you can see to get some experience. It’s also free. ### 3. AI-Powered Hints & Evaluations One of the best features is AI-assisted guidance. You get to chat with the coach — the AI agent which will help you with the question and solution. 1. If you get stuck, AI provides hints — just like LeetCode’s hint system. 2. If you submit a design proposal, AI evaluates it against industry best practices. 3. You get automated feedback on scalability, fault tolerance, and efficiency. This bridges the gap between self-learning and expert mentorship. ## Beyond System Design: Object-Oriented Design & AI Interviews Codemia.io goes beyond just system design. It also covers Object-Oriented Design (OOD) Questions. If you don’t know , Object-Oriented Design is a common low-level design (LLD) round at FAANG. Here are OOP problems you can solve on codemia.io to get some practice: * Classic problems like Parking Lot, ATM Machine, and Hotel Booking System * Step-by-step UML diagrams and class structure explanations * Comparison of different design patterns If you struggle with OOD interviews, this is a goldmine. Here is also all the OOP design problems available on Codemia.io ## Codemia.io vs DesignGurus.io vs Educative Now, let’s see how codemia.io compares with other popular resources we have used in past to prepare for System Design interview, notably DesignGurus.io whose _Grokking the System Design Interview course_ is also one of my favorite and Educative.io, whose modern System design course is also a great resource. You can see that codemia.io have highest number of practice problems, 120+ and growing, no other platform have that many questions which is also the big plus point of this platform and that’s why I called it “Leetcode of System Design”. Second important point is expert written solution, also known as editorial solution in this website. There are mor than 80+ such solution which are great resource to compare your solution, learn from them and also find how to answer such questions. What point to mention, what should you discuss, tradeoffs and so much more. Another plus point of codemia.io is that it has object oriented programming questions which is not available in other courses, though _DesignGurus.io_ have _Grokking the Object Oriented Design Interview course_ __ which you can use for OOP design practice, but again when it comes to numbers, codemia.io wins. So far we have compared the content but if we talk about platform, codemia.io have especially designed for online practice, particulary deisgn questions. It comes with Interactive learning tools, interactive feedback and evaluation, chatbot and a great design tool for drawing. No other platform support so much feature which is essential to master system design. Then there is community and you can also see the solution of other folks to learn from them. I love this feature as it allows me to see what other folks are thinking and how they solve that problem. This comparative analysis have helped me a lot to learn key system design concepts. Overall, I think, codemia.io is a great platform to prepare for System design and OOP design interview. You may find courses but its hard to find a platform like this. I highly recommend it for anyone preparing for System Design and Tech interviews. And, if you want to join now, you can also use discount code PROMOTION20 to get 20% off now. Here is the link — 20% OFf on Codemia.io ## Final words If you’re preparing for FAANG system design interviews, Codemia.io is a must-try. It solves the biggest problems in system design prep: * Structured learning path (instead of random articles) * Real-world hands-on practice (instead of just reading) * Expert evaluation & AI feedback (so you know what to improve) * Mock interviews to simulate real conditions I’m still exploring Codemia.io, but what I’ve seen so far is truly impressive. _If you’ve tried it, let me know_ _what you liked or didn’t like_ _._ Other System Design Articles and Resources you may like * Is DesignGuru’s System Design Course worth it * 16 best Resources to Prepare for System Design Interview * 10 Reasons to Join Codemia.io for System Design Interview Prep * Is Exponent’s System Design Course worth it? * 16 Best System Design Interview Resources for Developers * Is System Design Interview RoadMap by DesignGuru worth it? * ByteByteGo vs Codemia.io? Which one is better? * 10 Reasons to Learn System Design * 6 Best System Design and API Design Interactive Courses * Top 5 System Design YouTube Channels for Engineers * 10 Best Places to Learn System Design * Is Codemia.io Good Place to Prepare for System Design? * Is ByteByteGo really worth the hype? * 10 Software Design Courses for Developers * 5 Best System Design Newsletters for Interviews * My Favorite Software Design Courses for 2025 * DesignGurus.io vs Codemia.io? Which is better for System Design Interview Prep? * 3 Places to Practice System Design Mock interviews * Codemia.io SALE — 40% OFF to boost your System Design skils * Is Designing Data intensive application book worth reading? Thanks for reading this article so far. If you like this article then please share with your friends and colleagues. If you have any questions feel free to ask in comments. P. S. — They are also offering 20% discount now and you can get access for just $59 for one year, original price is $120 so you have a chance to save$60 and also learn System design better. ## Master System Design Interviews Through Active Practice ### Passively learning system design does not work. Now you can practice system design problems like the way you practice… codemia.io

I found Leetcode for System Design and its Awesome credit- codemia.io Hello guys, If you’re preparing for FAANG interviews , then you already know that Data Structures & Algorithms (DSA) ...

#Codemia.io #Coding #Interviews #LeetCode #online #resources #System #Design

Origin | Interest | Match

おっち

@ottijp.com

1 week ago

今日やったやつ．（Easy, 1784）
Python, Runtime: 100.00%, Memory: 41.18%, Time: 15min
問題文の意味がわかりづら過ぎ．
#LeetCode
leetcode.com/problems/che...

@alaxhenry0121.bsky.social

1 week ago

Every Interviewer Loves This Problem. Do You Really Know How to Solve It? Longest Palindromic Substring — from the naïve O(n³) brute force all the way to Manacher’s O(n) algorithm, explained in Dart with the…

I just published Every Interviewer Loves This Problem. Do You Really Know How to Solve It? medium.com/p/every-inte...
#Flutter #Dart #CodingInterview #LongestPalindromicSubstring #LeetCode #DynamicProgramming #Algorithms #StringManipulation #ManachersAlgorithm #FlutterInterview

おっち

@ottijp.com

1 week ago

今日やったやつ．（Easy, 1758）
Python, Runtime: 83.47%, Memory: 56.18%, Time: 4min
#LeetCode
leetcode.com/problems/min...

おっち

@ottijp.com

1 week ago

今日やったやつ．（Easy, 1582）
Python, Runtime: 22.65%, Memory: 31.72%, Time: 8min
#LeetCode
leetcode.com/problems/spe...

おっち

@ottijp.com

1 week ago

今日やったやつ．（Easy, 1408）
Python, Runtime: 100.00%, Memory: 59.77%, Time: 5min
#LeetCode
leetcode.com/problems/str...

おっち

@ottijp.com

1 week ago

今日やったやつ．（Easy, 1346）
Python, Runtime: 100.00%, Memory: 22.52%, Time: 4min
#LeetCode
leetcode.com/problems/che...

おっち

@ottijp.com

2 weeks ago

今週のWeekly Contest 491だん．8188位．
3問目は解法はおそらく正しいが，Time Limit Exceededが解決できなかった．
#LeetCode
leetcode.com/contest/week...

おっち

@ottijp.com

2 weeks ago

今回のBiweekly Contest 177だん．8271位．
3問目が解けない．どんどん思いつきでパッチ当てていってグチャグチャになりがち．途中でアルゴリズムの立て直しをすべき．
#LeetCode
leetcode.com/contest/biwe...

Status Is Down

@statusisdown.bsky.social

2 weeks ago

Leetcode is reportedly down for some users right now. Are you one of them? #Leetcode #LeetcodeDown
community.designtaxi.com/topic/24215-is-leetcode-...

おっち

@ottijp.com

2 weeks ago

今日やったやつ．（Easy, 1184）
Python, Runtime: 45.81%, Memory: 86.78%, Time: 7min
#LeetCode
leetcode.com/problems/dis...

おっち

@ottijp.com

2 weeks ago

今日やったやつ．（Easy, 977）
Python, Runtime: 100.00%, Memory: 59.59%, Time: 2min
#LeetCode
leetcode.com/problems/squ...

Status Is Down

@statusisdown.bsky.social

2 weeks ago

LeetCode is reportedly down for some users right now. Are you one of them? #LeetCode #LeetCodeDown community.designtaxi.com/topic/24122-is-leetcode-...

Status Is Down

@statusisdown.bsky.social

2 weeks ago

LeetCode is reportedly down for hundreds of users right now. Are you one of them? #LeetCode #LeetCodeDown community.designtaxi.com/topic/24082-is-leetcode-...

おっち

@ottijp.com

2 weeks ago

今日やったやつ．（Easy, 1356）
Python, Runtime: 20.66%, Memory: 44.54%, Time: 4min
#LeetCode
leetcode.com/problems/sor...