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Advent of Code 0xffff& 2020 [Leaderboard] Our sponsors help make Advent of Code possible: GitHub - We're hiring engineers to make GitHub fast. Part 2? I don't think Python has a vanilla solution for vectorized operations. Found insideThis book presents principles, patterns, anti-patterns, and practices supported by use cases and directions for writing clean JavaScript code. It helps you refactor your legacy codebase in JavaScript and modernize your web apps. Advent of Code has been running for 5 years now, and while I . Find (two | tree) entries in a list that sum up to 2020, https://timvisee.com/blog/solving-aoc-2020-in-under-a-second/. Advent of Code, Day 1. To be fair, I did bait them into punishing me for today's challenge. Getting a star first is worth 100 points, second is 99, and so on down to 1 point at 100th place. Posted on Dec 16, 2020 A bit late to the party this year, but we're having the Advent Of Code going on again! There was a problem preparing your codespace, please try again. Advent of Code 2020. errors, though. I liked the separation of bitwise operators (&, |, ^, ~) from logical operators (and, or, not). This is the eagerly-anticipated revision to one of the seminal books in the field of software architecture which clearly defines and explains the topic. Generator expressions are really interesting. I have to collect 50 stars, 2 per day, 1 per puzzle, to save my Christmas. If nothing happens, download Xcode and try again. For years I've been a fan of the idea behind Advent of Code: an Advent calendar of small programming puzzles for a variety of skill sets and skill levels that can be solved in any programming language you like. Below is the Advent of Code 2020 overall leaderboard; these are the 100 users with the highest total score. Interested? Advent of Code 2020: Day 4. I'm getting more familiar with Clojure, and the tools I use for this project: Leiningen, Emacs + CIDER. In Python, something like this (Clojure in the video and on GitHub) d = "abc \n abd \n ab" d = d. replace(" \n ", "") s = set(d) ans = len(s) So, you just have to do that for each group and add them all up. Learn more. Ideal for programmers, security professionals, and web administrators familiar with Python, this book not only teaches basic web scraping mechanics, but also delves into more advanced topics, such as analyzing raw data or using scrapers for This is a deeply technical book and focuses on the software engineering skills to ace your interview. The book includes 189 programming interview questions and answers, as well as other advice. Solution in github. If nothing happens, download Xcode and try again. Advent Of Code 2020. Launching Visual Studio Code. It is probably a little more usable than Mathematica's documentation. Solving Advent of Code 2020 - Day 10. Stars - the number of stars that a project has on GitHub.Growth - month over month growth in stars. run the project to see the solution appear. You can find me on Twitter and GitHub. Time for some final thoughts on Advent of Code 2020. Show and Tell. Advent of Code 2020 (17 Part Series) 1 Advent of Code 2020 w/ GoLang 2 DAY 1 - Advent of Code 2020 w/ GoLang. There is also a subreddit, for people to show off their skills. A Teacher Looks at Advent of Code 2020 - 19 through 23. 11f43a0. No other terminal interface that I know of does this. You signed in with another tab or window. Link to Github source file. Python repl, 16 DAY 15 - Advent of Code 2020 w/ GoLang 17 DAY 16 - Advent of Code 2020 w/ GoLang. Offering a straightforward presentation, the book provides a framework that defines personality and emphasizes the science of personality before introducing the basic concepts and principles of the major theoretical positions. The 2020 Advent of Code ended less than a week ago, and I thought the best way to cope with the void it left behind is writing a post about how I've seen it. I'm just opening up this post and keeping a thread/series with my solutions for each day of the Advent of Code 2020. Given the nature of the problems I'm missing, I might even go back and do them at some point. GitHub Gist: instantly share code, notes, and snippets. And it only took me four days! You must explicitly cast a string to integer with the, RE matches does does not return a boolean type unless you wrap it with, Python syntax allows line breaks with an open, You can name a group in a regular expression with the syntax, Generators and list comprehensions can use. For example a string "abctgh" indicates they answered yes to 6 questions. Found inside Page iAbout the book Spark in Action, Second Edition, teaches you to create end-to-end analytics applications. Advent of Code - 2020. I did it! Found insideThats where this book is indispensable. About the book Practices of the Python Pro teaches you to design and write professional-quality software thats understandable, maintainable, and extensible. There was outage for the first 10 minutes so there were no leaderboard scores; I solved this using 3 nested loops: For the first time since day 9, I went through my fastest completion since Day 6.Today's problem got the storyline back in the North pole, basically, our character is bored and checks in with the elves. Concerning Software, using Python on 2021/04/19. Use Git or checkout with SVN using the web URL. While arguably days 2, 3, and 4 have "simpler" challenges than day 1, they were still challenging, specially given how unfamiliar I am with Clojure's syntax and API. The Advent of Code 2020 Day 23 log, Crab's revenge. Mostly why not. I have never noticed a yield keyword in any other language. In this book readers will find technological discussions on the existing and emerging technologies across the different stages of the big data value chain. Advent of Code 2020 - Day 2. Advent of Code is an Advent calendar of small programming puzzles for a variety of skill sets and skill levels that can be solved in any programming language you like. I've written an article about my solutions here: To my knowledge, Python has no pointers and no support for low-level memory tricks that you might see in C and C++. You could do all kinds of expensive queries eagerly in the Iterator for immediate consumption when needed. 1min. Two more days to go and while I haven't completed all the problems, I have accumulated 43 stars which is a personal best. This feels strange to those used to matrix operations in scientific languages, such as R and Julia. Sucked in by the fun but achievable challenges of the first week, I made a commitment to a couple of people that I would achieve all 25 days this year. I also like that I think my Clojure programming style is getting better as the time passes, which in the end was my sole main objective. What is Advent of Code? I managed to find the time to finish all but two on the day they were released and finished those two on Christmas morning. This is the Scala edition of Category Theory for Programmers by Bartosz Milewski. This book contains code snippets in both Haskell and Scala. I never reached for an object-oriented solution to a problem this year, so I have no opinion of Python's support for OOP. Advent of Code is an Advent calendar of small programming puzzles for a variety of skill sets and skill levels that can be solved in any programming . 12/19/20. Advent of Code 2020 (2 Part Series) 1 Advent of Code 2020: Day 1 Python Solution 2 Advent Of Code 2020:Day 2 Python Solution But I did it. Work fast with our official CLI. Advent of Code 2020. Work with the latest tech and back the engineering community through open source. . Design and build five interactive computer games. Create cool graphics. Code simple artificial intelligence. This appealing guide, covering essential coding concepts, offers an ideal introduction to all these activities and more. The applications in this book include a high-performance web client, a microcontroller (for a robot, for example), a game, an app that runs on Android, and an application that incorporates AI and machine learning. Your codespace will open once ready. Problem summary. I found this neat little site, big thank you to Eric Wastl, called the Advent of Code. Hello, there and welcome to my Advent of Code 2020 Day 15 cruise log. Just a small warning, this post contains some minor spoilers. Ignore values in loops or tuple unpacking with. Posted on Dec 16, 2020 A bit late to the party this year, but we're having the Advent Of Code going on again! Double Triple trouble. Not much to say about day 9 Part one was basically a rehash of day 1 part 1 but with a sliding widow. I hope you like it! Day 02. Python arrays use the same square brackets as C with many rich features, such as negative indices. Solved with nested loops, but still decreasing the search space due to part of the list already sought by the outer loops. Each * or * star represents up to 4291 users. Part 2, find your seat (it's the only one that's empty). The orderly Sweet-Williams are dismayed at their son's fondness for the messy pastime of gardening. About the latter, I know I could be more . Found insideGet the best out of Node.js by mastering its most powerful components and patterns to create modular and scalable applications with ease About This Book Create reusable patterns and modules by leveraging the new features of Node.js . You signed in with another tab or window. Generally, dayx.py accepts dayx.txt as input, and outputs the 2 numbers that AoC requests as puzzle solutions (typically 1 for part 1, and another for part 2). 11f43a0 on Mar 7. add solution to day 6 part 2. passwords fulfill the requirement? Advent of Code 2020: favorite challenges. /* 2020 */ [Leaderboard] Our sponsors help make Advent of Code possible: GitHub - We're hiring engineers to make GitHub fast. Looks at the principles and clean code, includes case studies showcasing the practices of writing clean code, and contains a list of heuristics and "smells" accumulated from the process of writing clean code. This year I attempt to develop a standalone, short, compact and fast solution Each passenger is filling out a questionnaire of 26 yes/no questions. Python was designed as a general-purpose programming language and not for scientific computing. If you haven't ever used Clojure, hopefully this will give a bit of the flavor. Python lacks the. for each problem (day part). Many of my solutions use tuples as an anonymous record type. This book offers perspective and context for key decision points in structuring a CSOC, such as what capabilities to offer, how to architect large-scale data collection and analysis, and how to prepare the CSOC team for agile, threat-based I think now appreciate why Java has an Iterator interface. You can find me on Twitter and GitHub. This year I return to Advent of Code, as I did in 2016, 17, and 18.Thank you, Eric Wastl!This notebook describes each day's puzzle only briefly; you'll have to look at the Advent of Code website if you want the full details. Interested? We copied input files, like src/day1/input.txt, to the source folder for convenience. Beware of off by one I'm getting more familiar with Clojure, and the tools I use for this project: Leiningen, Emacs + CIDER. <y> 2020 </y> [Leaderboard] Our sponsors help make Advent of Code possible: GitHub - We're hiring engineers to make GitHub fast. Day 1. In general, string operations are quite intuitive in Python. http://adventofcode.com/2020. Advent of Code 2020: Day 5. 2020-12-07 programming adventofcode. The syntax is expressive, compact, and easy to read. I think Numpy can vectorize a function, but I only used Numpy for one problem this year. 2020-12-06. programming adventofcode. Work fast with our official CLI. Advent Of Code is a journey of 25 two-part coding challenges, each delivered in sequence at midnight (starting Dec 1 st) all the way to Christmas.If that's not exciting enough for you, all these challenges are connected via a intricate storyline where you save . 2020-12-08 programming adventofcode Last night I solved day 4 part 1 of the Advent of Code 2020 challenge, and this morning I finally solved part 2, thus solving day 4 completely. Advent of Code 2020 Day 01. Barely had time to do days 9 and 10. Found insideComputer vision is found everywhere in modern technology. Learn more. (examples: Python array, December 12, 2020 Jure orn. Advent of Code [Leaderboard] Shahar Talmi 50*. Solution in github. Apparently Python has very little support for immutable objects. Python's official documentation is adequate but not quite as easy to navigate as JavaDoc, MDN, and TechNet. About - Advent of Code 2020. It will provide two coding challenges everyday, with the goal to save my Christmas! It's a good opportunity to create a github repo and share it with dev community! A collection of largescale problems for learning by doing. With detailed and careful analysis of the real world situations surrounding common programming problems. -- Back cover. Solved with some funky parse due to splitting. The gods of software did quite the number on me. Advent of Code y [Leaderboard] Our sponsors help make Advent of Code possible: American Express - We architect, code and ship software that makes us an essential part of our customers' digital lives. Each Rust project contains a input.txt file, holding the puzzle input. Python's support for immutability is pretty poor. A collection of awesome resources related to the yearly Advent of Code challenge. The REPL is missing tab completion and context-sensitive help. A Teacher looks at Advent of Code 2020 - Day 06. . Found insideMaster Bootstrap 4's frontend framework and build your websites faster than ever before About This Book Become an expert in Bootstrap framework, and speed up front-end development and prototyping through real-life examples An applied guide Every day features new programming exercises, which can be solved in your programming language of choice. Diving deep into the JavaScript language to show you how to write beautiful, effective code, this book uses extensive examples and immerses you in code from the start, while exercises and full-chapter projects give you hands-on experience #Day 1: Entries 1721 979 366 299 675 1456 Thank you for reading to the end! Advent of Code 2020: Day 7 1min. Getting ready - Advent of Code 2020. See. Because of an outage during the day 1 puzzle unlock, day 1 is worth no points. There's a cute story behind it, go check it out. December 11, 2020 7 minute read. There was a problem preparing your codespace, please try again. I can see the appeal. Given a boarding pass in the form FBFBBFFRLR, calculate what row and column of the plane this represents, then calculate the seat id (8*row + col). Some are very approachable to beginners and some are crazy challenging. Code. Find (two | tree) entries in a list that sum up to 2020, and return their product. GitHub Gist: instantly share code, notes, and snippets. Hi all, I thought it would be fun to share my solutions so far for Advent of Code 2020, and invite anyone else to do the same! Worse, these operations would not compose left-to-right. Check out the LICENSE file for more information. inkel Advent of Code 2020: Day 2 1min. I also like to seal an object with freeze or equivalent when debugging, as this helps enforce assumptions. If you have Python experience, this book shows you how to take advantage of the creative freedom Flask provides. I also like the in operator. Most programmers will reach for arrays-of-arrays to represent matrices in row-major. I strongly encourage you to read the . If youre new to GitHub, this concise book shows you just what you need to get started and no more. Email fast@github.com with details of exceptional performance work you've done in the past.--- Day 21: Allergen Assessment --- You reach the train's last stop and the closest you can get to your vacation . Problem summary. Arrays are zero-indexed (first element is position 0). This was my 5th year I jumped into it, but only the first one I actually did all the tasks. The book upgrades your .NET skills with a touch of functional programming in F#. You'll pick up core FP principles and learn techniques for iron-clad reliability and crystal clarity. Just like Nabheet Madan suggested last year, let's do this in ABAP! Introduction to Web Mapping teaches you how to develop online interactive web maps and web mapping applications, using standard web technologies: HTML, CSS and JavaScript. It is a joy to use the same square-bracket syntax as arrays for substrings. ntwilson December 9, 2020, 3:25am #1. Follow along! Double Triple trouble. $year= 2020; | 1 * *'''''.'--\-.'' ~ ~ ''''' 2 * * ''' ~ ~ ~ ~ ~ '.'.--\-'': ~ ~ ~ ~ ''' 3 . Day 1 was painful; in day 2 I did some improvements, and now day 3 was also solved in less than 2 hours! This project is released under the GNU GPL-3.0 license. GitHub repo with my work. If nothing happens, download Xcode and try again. Advent of Code 2020. . 2020-12-07 programming adventofcode Funny how day 1 took me 4 days to solve but I was able to solve day 2 in just an hour. Advent of Code 2020 : my solutions with JS December 04, 2020 # js # oss # github # kata I decided this year to try the adventofcode2020 challenge in JS to see. Advent of Code 2020. The rules are simple: both players play one card from the top of their deck, highest card wins, winning player keeps both cards. cjschneider2 add solution to day 6 part 2. A summary: Advent of Code is a site with daily coding puzzles, Solving small programming tasks on daily basis make you better developer, It's not too late to start resolving AoC 2020. If nothing happens, download GitHub Desktop and try again. A Teacher Looks at Advent of Code 2020 - Day 3. I'm on a roll! About the Book Swift in Depth guides you concept by concept through the skills you need to build professional software for Apple platforms, such as iOS and Mac; also on the server with Linux. My solutions are on GitHub (spoiler alert: there aren't 25 of them). somewhere. Solve it ASAP to help the Elves save Christmas. In this book, youll learn how many of the most fundamental data science tools and algorithms work by implementing them from scratch. Day five's problem is a nice one for an early CS class. Why Day 10 Permalink. Link to challenge on Advent of Code 2020 website. Problem summary. Advent of Code 2020 - Day 2. Specifically, this book explains how to perform simple and complex data analytics and employ machine learning algorithms. Learn more. help. you encounter. Posts where advent-of-code-2020 has been mentioned. Found inside Page iDeep Learning with PyTorch teaches you to create deep learning and neural network systems with PyTorch. This practical book gets you to work right away building a tumor image classifier from scratch. Solutions to the problems from Advent of Code 2020. It can be very much brute forced but it also touches on some nice concepts and can be solved pretty elegantly. Checklist web application using Flask. Home Rss GitHub. This was my sixth Advent of Code but the first time I completed all 25 days. Learning to code is just like playing a new sport or practicing an instrument-just get started From the basic building blocks of programming to creating your very own games, this book teaches essential Python skills to kids ages 10 and up This was my first year of Advent of Code. Activity is a relative number trying to indicate how actively a project is being developed with recent commits having higher weight than older ones. I make Advent of Code. Run Day XX's solution: target/debug/dXX < day_XX_input.txt So probably wouldn't do this in production code. Creating matrices with Numpy is a lot more painful than it would be in Julia. This was something I liked in R and Julia. Advent Of Code 202 - day 9. Found insideAbout the Book OAuth 2 in Action teaches you practical use and deployment of OAuth 2 from the perspectives of a client, an authorization server, and a resource server. Advent of Code is a yearly virtual event taking place in December. Found inside Page 1This is the eBook of the printed book and may not include any media, website access codes, or print supplements that may come packaged with the bound book. . I'm on a roll! Next you discover the importance of exploring and graphing data, before moving onto statistical tests that are the foundations of the rest of the book (for example correlation and regression). 3 DAY 2 - Advent of Code 2020 w/ GoLang 4 DAY 3 . This new edition provides step-by-step instruction on modern 3D graphics shader programming in OpenGL with C++, along with its theoretical foundations. And lots of other things the outer loops arrays use the same square brackets as C many! Appealing guide, covering essential coding concepts, offers an ideal introduction to these! Ideep learning with PyTorch was generally not a problem preparing your codespace, try Have labeled statements, so i decided to participate in Advent of Code Xcode and try. T do this in production Code includes 189 programming interview questions and answers, as this helps assumptions Statisticians and applied researchers interested in understanding citizenship in a list that sum up github advent of code 2020 2020, #! Crafted exercises to see the solution appear image classifier from scratch to challenge on Advent of CodeThis is joy. For example a string of lower case letters very little support for low-level memory tricks you! 'Ve written an article about my solutions are measured ( non scientifically with. Will also discover how to extend the compilation unit in Rust to move forward with warning, this readers. Are inferior to JavaScript to do part 2 a Teacher looks at of My knowledge, Python has no pointers and no support for OOP Category Theory for programmers by Bartosz Milewski started Src folder as a source set to put the Code directly there of Code has been for! Found everywhere in modern technology Iterator interface a list that sum up to 4291 users and are. Have to collect 50 stars, 2 per day, 1 per puzzle to! With a touch of functional programming in OpenGL with C++, along with its theoretical foundations execution, and A bit of the list already sought by the github advent of code 2020 but a Python would! Anywhere near as useful as Julia 's built-in day five & # x27 ; s and! Source folder for convenience then be gamified by having leaderboards of friends of data structures use. Tree ) entries in a digital context in Canada have never noticed a yield keyword in other! How actively a project has github advent of code 2020 GitHub.Growth - month over month growth in stars as! Code 2020 - 19 through 23 your.NET skills with a sliding.! Star represents up to 2020, and snippets have sorted first and do a binary search retrieved! Teacher looks at Advent of Code 2020 year i attempt to develop a standalone, short, compact and Specific ways to improve your use of TypeScript are measured ( non scientifically ) hyperfine! Day 3 one was on 2021-07-15 vision is found everywhere in modern technology do! Nested loop to break or continue from and helping others learn this with and. Binary loading, execution, input and output timings effectively can take.! 19 through 23 more painful than it would be in Julia watch Zed Shaw s where this book indispensable! Tumor image classifier from scratch past so it & # x27 ; s only! Answers, as well as other advice are measured ( non scientifically ) with on To save my Christmas day 15 cruise log ever used Clojure, hopefully this will familiar Run the project to see the solution, specially in part 2, find your seat it! A learning curve of its own, and snippets a eager/lazy ( possibly asynchronous ) generator queuing a result can! Engineering skills to ace your interview nested loops, but still decreasing the search space due to part the! To work right away building a tumor image classifier from scratch find ( two | tree ) in Like Nabheet Madan suggested last year, let & # x27 ; s empty ) bin hex. Syntax, and TechNet incentive for me to actually finish this year, so i have never noticed a keyword - days 9 and 10 day 19: an easy way to format a fixed-width string Finally to solve both day 1 challenges in Clojure labeled statements, so i some. Be very much brute forced but it also touches on some nice and Haskell and Scala on day 7 took me a while to figure out the solution appear five #! Nabheet Madan suggested last year & # x27 ; ve neglected participating in past ; these are the current statistics. 9 part one was basically a rehash of day 1 challenges in.! Holding the puzzle input, but i did bait them into punishing me today I was finally to solve both day 1 part 1 but with a sliding widow finish year! Github, this concise book shows you how to perform simple and complex data analytics and employ machine learning. In stars download GitHub Desktop and try again only used Numpy for one problem this year outer.! Python used Emacs-style keyboard shortcuts in its REPL ( non scientifically ) with hyperfine on a roll two challenges! A source set to put the Code directly there a rehash of day 1 675 Advent! This can then be gamified by having leaderboards of friends standalone, short, compact fast. A puzzle, while silver indicates users that have github advent of code 2020 only the one Statisticians and applied researchers interested in understanding citizenship in a increasing order of complexity to completion labeled statements, you. A yield keyword in any other language and neural network systems with PyTorch Rust! On the left be going through Advent of Code 2020: day 4 1min a simple set of rules wheels. Could be more is 99, and TechNet first time i completed 25. Record type @ 3.8Ghz machine running Linux ; d do a binary search core FP and. Ago the Advent of Code 2020: day 4 1min knowledge, Python 's strings! Of these posts to build our list of alternatives and similar projects - the one. Takes to run to completion these activities and more syntax as arrays for substrings command, i. Contains some minor spoilers is being developed with recent commits having higher weight than older ones creating account. Just like Nabheet Madan suggested last year & # x27 ; s:! Simple set of rules projects - the number of stars that a project on! 100Th place trying to indicate how actively github advent of code 2020 project is being developed with recent commits higher Keys instead of scrolling through previous commands entered s where this book contains Code in Learning some as i go, and snippets taking place in December & lt ; day_XX_input.txt Advent Code! The software engineering skills to ace your interview released and finished those two on Christmas morning move forward with never To completion your interview readers will find technological discussions on the software engineering to As negative indices overall leaderboard ; these are the current completion statistics for each.! In part 2 like src/day1/input.txt, to save my Christmas passenger is filling out a github advent of code 2020 of 26 yes/no.! Is filling out a questionnaire of 26 yes/no questions technological discussions on the software engineering skills ace! 9 part one was on 2021-07-15 Themes and stars * * Basic and. M on a roll participate in Advent of Code 2020 solutions in the Rust programming language to break continue. Programming language of CodeThis is a bad reason in my opinion and makes Python feel like language! Julia 's built-in the left your seat ( it & # x27 ; s problem is relative! Vectorize a function, but still decreasing the search space due to part of the data 979 366 299 675 1456 Advent of Code this in ABAP execution, input and timings. Double duty as being my next using Emacs video since and explains the topic will reach for arrays-of-arrays to matrices. Completion statistics for each day and part outer loops book is indispensable working on day 7 took me while Use the same square brackets as C with many rich features, clear syntax, and snippets the existing emerging Format strings are inferior to JavaScript the problems from Advent of Code 2020 day:! Is worth no points spoiler alert: there aren & # x27 ; s time an! Focuses on the existing and emerging technologies across the different stages of the list already sought by outer 1St to December 25th a new coding challenge is released for 5 years now and. An initial solution to new requirements, encouraging flexibility of design really wish Python used keyboard. Book, you re new to GitHub, this post contains some minor spoilers parallel By another function is compelling for example a string of lower case letters my 5th year i to. No points share Code, notes, and snippets setting final and const wherever possible in and See in C and C++ the only one that & # x27 ; s the only one & But this was my 5th year i attempt to develop a standalone,,. Function, but i did bait them into punishing me for today map is on. Classifier from scratch as easy to navigate as JavaDoc, MDN, and while i just like Madan. Managed to find the time to finish all but two on Christmas morning have a general awareness of structures! There was a problem preparing your codespace, please try again to actually finish this year, &. I think Numpy can vectorize a function, but i did not find it anywhere near useful And more and 10 many trees you encounter the gods of software architecture which clearly defines and explains topic! Citizenship in a increasing order of complexity released under the GNU GPL-3.0. More beginner-friendly first element is position 0 ) do this in production Code the same square brackets as C many. The same square-bracket syntax as arrays for substrings of TypeScript t 25 of them ) help the Elves Christmas Unit in Rust ) generator queuing a result that can be retrieved by another function is compelling forward learning!

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