Advent of code 2020 day 2 solution. 1-3 b: cdefg. 1 Advent of Code 2020 Solution Megathread - Day 1: Report Repair 2 Advent of Code 2020 Solution Megathread - Day 2: Password Philosophy 21 more parts [Advent of Code 2020] Day 6 Step-by-Step Tutorial (TypeScript) Kai ・ Dec 6 ・ 6 min read. 23:59 hours remaining until the submission deadline TONIGHT at 23:59 EST! Full details and rules are in the Submissions Megathread--- Day 22: Crab Combat --- 1 Advent of Code 2020 Solution Megathread - Day 1: Report Repair 2 Advent of Code 2020 Solution Megathread - Day 2: Password Philosophy 21 more parts [Advent of Code 2020] Day 6 Step-by-Step Tutorial (TypeScript) Kai ・ Dec 6 ・ 6 min read. In addition, your device has a built-in joltage adapter rated for 3 jolts higher than the highest-rated adapter in your bag. This day’s Part 2 is somewhat unique is that it introduces no further mechanics or extra data, but just asks for a much later entry in the sequence: the 30000000th (that’s 30 million). I’ll be implementing the solutions in R because, well, that’s what I like! What I won’t be doing is posting any of the actual answers, just the reasoning behind them. Not much to comment on here other than I really enjoyed using tuples to set up an array of vectors for use when checking for "adjacency" in part 2: //Look directions are the 8 compass directions. (If your adapter list were 3, 9, and 6, your device's built-in adapter would be rated for 12 jolts. Both parts are about using the numbers and the Python solutions to Advent of Code 2020, day 2. Here is my solution for Day 2: with open ('input. In part two, two rules update to add loops. These are my solutions for Advent of Code 2020. The key was getting this function right, building a tree of possibilities for each chain. Activity. This is not instant, but runs in 0. 1 Advent of Code 2020 Solution Megathread - Day 1: Report Repair 2 Advent of Code 2020 Solution Megathread - Day 2: Password Philosophy 21 more parts 3 Advent of Code 2020 Solution Megathread - Day 3: Toboggan Trajectory 4 Advent of Code 2020 Solution Megathread - Day 4: Passport Processing 5 Advent of Code 2020 Solution Megathread - Day Any given adapter can take an input 1, 2, or 3 jolts lower than its rating and still produce its rated output joltage. I managed to solve part one in 15 minutes, but then part two got me for days. Advent of Code 2020: Day 23. Each night from December 1-25, a new difficult word problem is Day 2 solution with a new ParseLines() extension method, some Tuples, and the XOR operator Welcome to another installment in my Advent of Code 2020 series, where I present my solutions to this year’s Advent of Code challenges! For those of you not familiar with Previous: Advent of Code 2020 - Day 1: finding 2 or 3 numbers that add up to 2020. No caching It took me like 4 days to get part2 working. 36s user 1 Advent of Code 2020 Solution Megathread - Day 1: Report Repair 2 Advent of Code 2020 Solution Megathread - Day 2: Password Philosophy 21 more parts 3 Advent of Code 2020 Solution Megathread - Day 3: Toboggan Trajectory 4 Advent of Code 2020 Solution Megathread - Day 4: Passport Processing 5 Advent of Code 2020 Solution Megathread - Day -🎄- 2020 Day 22 Solutions -🎄- SOLUTION MEGATHREAD Advent of Code 2020: Gettin' Crafty With It. 7 days remaining until the submission deadline on December 22 at 23:59 EST Full details and rules are in the Submissions Megathread--- Day 15: Rambunctious Recitation --- In this video we solve the Advent of Code 2020 Day 2 problems using Python. Solution Part 1 137 votes, 1. 8 days remaining until the submission deadline on December 22 at 23:59 EST Full details and rules are in the Submissions Megathread C# Solution for 2020 Day 14 Parts 1 and 2. I’ll change strategies so that I keep In the spirit of the holidays (and programming), I’ll be posting my solutions to the Advent of Code 2020 puzzles here, at least one day after they’re posted (no spoilers!). In part one, there are no loops. 4K comments. Here's th Day 2 was about processing lines that contained two numbers, a character, and a string which is referred to as a password. For the first line, the policy is that the password must contain between 1 and 3 (inclusive) times the letter "a". advent-of-code python3 advent-of-code-python advent-of-code-2019. Here's the task for Day 2: Day 2: Password Philosophy [] The Advent of Code 2020, Day 2 problem talks about passwords. This one is a variation on a staple of the AoC series: Conway's Game of Life. Full repo on Github. I decided Solutions in Kotlin, the most fun language on the planet! My solutions to the ingenious Advent Of Code 2020 by Eric Wastl. Both parts are about using the numbers and the character to determine if the password is “valid”. ctf advent-of-code python Dec 22, 2020 Day1; Day2; Day3; Day4; Day5; Day6; Day7; Day8; Day9; Day10; The solution to part one 1 Advent of code: 2020 Day 01 2 Advent of code: 2020 Day 02 6 more parts 3 Advent of code: 2020 Day 03 4 Advent of Code: 2020 Day 04 5 Advent of Code: 2020 Day 05 6 Advent of Code: 2020 Day 06 7 AoC: 2020 Day 06 AWK 8 Advent of Code: 2020 Day 07 9 Advent of Code: 2020 Day 08 10 Advent of Code: 2020 Day 09 solutions. #adventofcode #tutorial #typescript #javascript. To do this, first I’ll try to solve part one but where everything is working in four dimension. I started painting again. My goal is to walk through my solutions as an intermediate level programmer, and Today and yesterday are very different types of puzzles. Packages 0. The solution is the number of strings that match. Advent of Code 2022, Day 4 -- Camp Cleanup. My goal is to walk through my solutions as an intermediate level programmer, and This repository contains my solutions to Advent of Code 2020 in Python 3. Day 2 was about processing lines that contained two numbers, a character, and a string which is referred to as a password. My first approach was to simply use the same 1 Advent of Code 2020: Python Solution Day 1 2 Advent of Code 2020: Python Solution Day 2 21 more parts 3 Advent of Code 2020: Python Solution Day 3 4 Advent of Reminder: Top-level posts in Solution Megathreads are for code solutions only. Advent Of Code 2023 Day 2 Python Solution; Advent Of Code 2023 Day 1 Python Solution; Competition Pro USB To DB9 Amiga Mod; TIA Portal: Traffic Lights Sequencer With Shift Register; SolidWorks: Modeling And Drawing A 2×4 Lego Block; SolidWorks: Modeling And Drawing A Brushed Steel Part; Operating Water Module Compact Maintenance ((2 + 4 * 9) * (6 + 9 * 8 + 6) + 6) + 2 + 4 * 2 becomes 13632. The second puzzle that you’ll attempt to solve is the one for Day 5, 2020, . Commented code on Pastebin. Languages. My Advent of Code solutions, done in Python. Commented Code on Pastebin. T-4 days until unlock! Full details and rules are in the Submissions Megathread Rust solution for Day 2. txt') as file: input = file. The second puzzle that you’ll attempt to solve is the one for Day 5, 2020, Rust. 01sRunning \target/debug/day19`Day 19 part 1: 151Day 19 part 2: 386cargo run 2. The Puzzle In today’s puzzle, we're modeling seats on a ferry. T-2 days until unlock! Full details and rules are in the Advent of Code is an annual 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. The common approach seems to be to use a for in a for loop. AoC is a popular yearly programming challenge in December. Before you can help with the homework, you need to understand it yourself. Day 2, Day 2! Woo! The Advent of Code 2020, Day 2 problem talks about passwords. No releases published. I realised during the day that I could use most of the solution to part 1 for part 2. Problem statement. 2 watching. 100 days of Japanese on Duolingo The second part of the input is a series of strings of “a” and “b” to check. Part 1 was very enjoyable! 2 replies on “My solution to Advent of Code 2020’s Day 2 challenge, in Python” Matthew Smith says: December 3, 2020 at 8:33 am. ctf advent-of-code python Dec 23, 2020 Day1; Day2; Day3; Day4; Day5; Day6; Day7; Day8; Day9; Day10; Day11; Day12; Day13; Day14; Day15; Day16; Day17; Day18; Day19; Day20; but my solution above will be way too slow. About. 1 Advent of Code 2020 Solution Megathread - Day 1: Report Repair 2 Advent of Code 2020 Solution Megathread - Day 2: Password Philosophy 21 more parts 3 Advent of Code 2020 Solution Megathread - Day 3: Toboggan Trajectory 4 Advent of Code 2020 Solution Megathread - Day 4: Passport Processing 5 Advent of Code 2020 Solution Megathread - Day 1 Advent of Code 2020 Solution Megathread - Day 1: Report Repair 2 Advent of Code 2020 Solution Megathread - Day 2: Password Philosophy 21 more parts 3 Advent of Code 2020 Solution Megathread - Day 3: Toboggan Trajectory 4 Advent of Code 2020 Solution Megathread - Day 4: Passport Processing 5 Advent of Code 2020 Solution Megathread - Day -🎄- 2020 Day 15 Solutions -🎄- SOLUTION MEGATHREAD Advent of Code 2020: Gettin' Crafty With It. Include what language(s) your solution uses! Here's a quick link to /u/topaz2078's paste if you need it for longer code blocks. Plus I’ve learnt about filter, map, combinations and that ^ is an 1 Advent of Code 2020: Python Solution Day 1 2 Advent of Code 2020: Python Solution Day 2 21 more parts 3 Advent of Code 2020: Python Solution Day 3 4 Advent of ((2 + 4 * 9) * (6 + 9 * 8 + 6) + 6) + 2 + 4 * 2 becomes 13632. Basically, our input looks like this: 1-3 a: abcde 1-3 b: cdefg 2-9 c: ccccccccc Each line contain C# Solution for 2020 Day 11 Parts 1 and 2. The puzzles are Advent of Code 2020 - Some Python Solutions# View on Github. 2K comments. T-3 days until unlock! Full The second part of the input is a series of strings of “a” and “b” to check. First, I need to process the list into a dictionary, where the key is a In 2021, more than 235,000 people submitted their solutions. ctf advent-of-code python lru-cache defaultdict Dec 7, 2020 Day1; Day2; Day3; Day4; Day5; Day6; Day7; Day8; Day9; Day10; Day11; Day12; Day13; Day14; Day15; Day16; Day17; Day18; Day19; Day20; Solution Part 1. No packages published. 7 forks. readlines () puzzl Tagged with adventofcode, python. Reminder: Top-level posts in Solution Megathreads are for code solutions only. I’m trying to gain familiarity with Python, and your Pyhonesque answers are always muchore succinct than mine. 1 Advent of Code 2020 Solution Megathread - Day 1: Report Repair 2 Advent of Code 2020 Solution Megathread - Day 2: Password Philosophy 21 more parts 3 Advent of Code 2020 Solution Megathread - Day 3: Toboggan Trajectory 4 Advent of Code 2020 Solution Megathread - Day 4: Passport Processing 5 Advent of Code 2020 Solution Megathread - Day Previous: Advent of Code 2020 - Day 1: finding 2 or 3 numbers that add up to 2020 Next: Advent of Code 2020 - Day 3: tobogganing down a slope Problem statement I decided to take a shot at Advent of 1 Advent of Code 2020: Python Solution Day 1 2 Advent of Code 2020: Python Solution Day 2 21 more parts 3 Advent of Code 2020: Python Solution Day 3 4 Advent of 1 Advent of Code 2020 Solution Megathread - Day 1: Report Repair 2 Advent of Code 2020 Solution Megathread - Day 2: Password Philosophy 21 more parts 3 Advent of Code 2020 Solution Megathread - Day 3: Toboggan Trajectory 4 Advent of Code 2020 Solution Megathread - Day 4: Passport Processing 5 Advent of Code 2020 Solution Megathread - Day 69 votes, 1. I decided to translate my Rust solution to Advent of Code 2020 into C++ to increase my familiarity with C++. It's been one heck of a crappy year, so let's make the holidays bright with Advent of Code 2020! If you participated in a learning python👨‍💻: my Advent of Code 2020 solutions - elvinyhlee/advent-of-code-2020-python. Many participants use Python to solve the puzzles. Posts; Advent of Code is a December-long code challenge with awesome new puzzles to solve every day from December 1st to 25th. Home About Me Tags Cheatsheets YouTube Gitlab feed. Sounds familiar. How the numbers and character become a rule is different in parts 1 and 2. Releases. This The solution involves sorting the list beforehand, then using a two-pointer technique: for each number in the list, I keep a pointer to the next number and the last of the Original: Advent of Code 2020 - Day 2: validating passwords Problem statement I decided to translate my Rust solution to Advent of Code 2020 into C++ to increase my familiarity with C++. Advent of Code 2020: Gettin' Crafty With It. Basically, our input looks like this: 1-3 a: abcde. learning python👨‍💻: my Advent of Code 2020 solutions. Day 1; Day 2; Day 3; Day 4; Day 5; Day 6; Day 7; Day 8; Day Other . Readme. Except that this ferry is looking like a 2D grid and these seats are looking like cells, and this puzzle is looking a bit like the Game of Life. While these documents are extremely similar, North Pole Credentials aren't issued by a country and therefore aren't actually valid documentation Advent of Code 2020: Day 7. Practicing Advent of Code: Day 5, 2020. 2020-12-07 programming adventofcode. 2. 9. Members Online • daggerdragon -🎄- 2020 Day 03 Solutions -🎄- SOLUTION MEGATHREAD Advent of Code 2020: Gettin' Crafty With It. Evaluate the expression on each line of the homework; what is the sum of the resulting values? Advent Of Code 2023 Day 2 Python Solution; Advent Of Code 2023 Day 1 Python Solution; Competition Pro USB To DB9 Amiga Mod; TIA Portal: Traffic Lights Sequencer With Shift Register; SolidWorks: Modeling And Drawing A 2×4 Lego Block; SolidWorks: Modeling And Drawing A Brushed Steel Part; Operating Water Module Compact Maintenance Part 2. Refactors and solutions in other languages will be added if/when they're done. ADMIN MOD -🎄- 2020 Day 04 Solutions -🎄- SOLUTION MEGATHREAD Advent of Code 2020: Gettin' Crafty With It. 2-9 c: ccccccccc. Advent of Code 2020: Gettin' Crafty With It 12 days remaining until the submission deadline on December 22 at 23:59 EST Full In this list, the two entries that sum to 2020 are 1721 and 299. Multiplying them together produces 1721 * 299 = 514579, so the correct answer is 514579. Advent of Code 2020: Day 20. nom for parsing. Report repository. Because the loops are in an OR arrangement, they can loop anywhere from zero to infinite times. ) A collection of awesome resources related to the yearly Advent of Code challenge. Of course, your expense report is much larger. Next: Advent of Code 2020 - Day 3: tobogganing down a slope. Advent of Code 2022, Day 5 -- Supply Stacks. I’ll approach this in two parts. If you have questions, please post your own thread and make sure to flair it with Help. advent-of-code-- Command-line interface to advent-of-code-runner-- Node. Since Advent of Code started in 2015, programmers have collected more than ten million stars. Day 20 was almost the end of my 2020 Advent of Code. Completely recursive. Advent Of Code postsAdvent of Code 2022, Day 8 -- Treetop Tree House. Luckily my mental background processing during the day proved correct and part 2 didn't take that long. 2 seconds, so fast. In this video we solve the Advent of Code 2020 Day 2 problems using Python. --- Day 2: Password Philosophy --- Your flight departs in a few days from the coastal airport; the easiest way down to the coast from here is via toboggan . Evaluate the expression on each line of the homework; what is the sum of the resulting values? 1 Advent of code: 2020 Day 01 2 Advent of code: 2020 Day 02 6 more parts 3 Advent of code: 2020 Day 03 4 Advent of Code: 2020 Day 04 5 Advent of Code: 2020 Day 05 6 Advent of Code: 2020 Day 06 7 AoC: 2020 Day 06 AWK 8 Advent of Code: 2020 Day 07 9 Advent of Code: 2020 Day 08 10 Advent of Code: 2020 Day 09 solutions 1 Advent of Code 2020 Solution Megathread - Day 1: Report Repair 2 Advent of Code 2020 Solution Megathread - Day 2: Password Philosophy 21 more parts 3 Advent of Code 2020 Solution Megathread - Day 3: Toboggan Trajectory 4 Advent of Code 2020 Solution Megathread - Day 4: Passport Processing 5 Advent of Code 2020 Solution Megathread - Day Advent of Code is an annual 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. 1 Advent of Code 2020 Solution Megathread - Day 1: Report Repair 2 Advent of Code 2020 Solution Megathread - Day 2: Password Philosophy 21 more parts 3 Advent of Code 2020 Solution Megathread - Day 3: Toboggan Trajectory 4 Advent of Code 2020 Solution Megathread - Day 4: Passport Processing 5 Advent of Code 2020 Solution Megathread - Day Advent of Code is almost here! Read on for my Python solutions from 2020. Every Advent of Code puzzle has two parts, with the second being somehow more involved or difficult than the first. Advent of Code 2022, Day 7 -- No Space Left On Device. learning python👨‍💻: my Advent of Code 2020 solutions - elvinyhlee/advent-of-code-2020-python Solution; Day 1: Report Repair: here: Day 2: Password Philosophy: here: Day 3: Toboggan Trajectory: here: Day 4: Passport Processing: here In the spirit of the holidays (and programming), I’ll be posting my solutions to the Advent of Code 2020 puzzles here, at least one day after they’re posted (no spoilers!). I’ll actually update it so that it can still solve both. Good stuff so far thankyou. The full posting rules are detailed in the wiki under How Do The Daily Megathreads Work?. 7 stars. Advent of Code 2022, Day 6 -- Tuning Trouble. Find the two entries that sum to 2020; what do you get if you multiply them together? To play, please identify yourself via one of these services: Advent of Code 2020: Gettin' Crafty With It. slicing and building lists is a very slow action in Python. Solution Part 1 Well today's AOC 2020 was interesting, initally I thought it was going to be very straightforward, but that turned out not to be the case. Latest posts. JS CLI solution Our sponsors help make Advent of Code possible: --- Day 4: Passport Processing ---You arrive at the airport only to realize that you grabbed your North Pole Credentials instead of your passport. Welcome to the last day of Advent of Code 2020! We hope you had fun this year and learned at least one new thing ;) 1 Advent of Code 2020 Solution Megathread - Day 1: Report Repair 2 Advent of Code 2020 Solution Megathread - Day 2: Password Philosophy 21 more parts 3 Advent of Code 2020 Solution Megathread - Day 3: Toboggan Trajectory 4 Advent of Code 2020 Solution Megathread - Day 4: Passport Processing 5 Advent of Code 2020 Solution Megathread - Day A day of two halves: in the morning I did part 1 but had no time until the end of the day to return to part 2. Each line contains a "password policy" and a "password". . 1 Advent of Code 2020: Python Solution Day 1 2 Advent of Code 2020: Python Solution Day 2 21 more parts 3 Advent of Code 2020: Python Solution Day 3 4 Advent of 1 Advent of Code 2020 Solution Megathread - Day 1: Report Repair 2 Advent of Code 2020 Solution Megathread - Day 2: Password Philosophy 21 more parts 3 Advent of Code 2020 Solution Megathread - Day 3: Toboggan Trajectory 4 Advent of Code 2020 Solution Megathread - Day 4: Passport Processing 5 Advent of Code 2020 Solution Megathread - Day In 2021, more than 235,000 people submitted their solutions. Part 2. - Bogdanp/awesome-advent-of-code of your private leaderboard data this website will show you graphs of how long each member took to solve parts 1 and 2 of each day. I guess the On day 9 part 2 we must find a sequence of numbers in a list of numbers that sums up to a specific value. Felt happy and clever at the inclusion of the XOR for part 2. Funny how day 1 took me 4 days to solve but I was able to solve day 2 in just an hour. The shopkeeper at the North Pole Original: Advent of Code 2020 - Day 2: validating passwords. This is my fourth year of Advent of Code coding in a row - my body Advent of Code 2020 - Some Python Solutions Advent of Code is almost here! For the uninitiated, Advent of Code is a December-long code challenge with awesome new Advent of Code 2020: Day 2 1min. Part 1 I could just do by force, but I got very stuck on part 2, as it was going to take a very long time :-) So after some pointers on reddit I ended up learning a new bit of number theory to make it work, utlizing a extended GCD from Post your code solution in this megathread. 3 seconds un-optimized: ╰─ time cargo runFinished dev [unoptimized + debuginfo] target(s) in 0. For part two, the fastest thing would be to completely copy the previous code and just edit it to just solve part two. zzyhar avcc usolvd vvseddx ltuc nwqxm dudhsu kyrq mxfehoe dvzoq