commit 1080d8a2c58564bc46baae075d0d0143952dce49 Author: Peter Date: Sat Dec 2 16:09:05 2023 +0800 Day 1 solutions diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..a95627b --- /dev/null +++ b/.gitignore @@ -0,0 +1,133 @@ +# AOC +input + +# Logs +logs +*.log +npm-debug.log* +yarn-debug.log* +yarn-error.log* +lerna-debug.log* +.pnpm-debug.log* + +# Diagnostic reports (https://nodejs.org/api/report.html) +report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json + +# Runtime data +pids +*.pid +*.seed +*.pid.lock + +# Directory for instrumented libs generated by jscoverage/JSCover +lib-cov + +# Coverage directory used by tools like istanbul +coverage +*.lcov + +# nyc test coverage +.nyc_output + +# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files) +.grunt + +# Bower dependency directory (https://bower.io/) +bower_components + +# node-waf configuration +.lock-wscript + +# Compiled binary addons (https://nodejs.org/api/addons.html) +build/Release + +# Dependency directories +node_modules/ +jspm_packages/ + +# Snowpack dependency directory (https://snowpack.dev/) +web_modules/ + +# TypeScript cache +*.tsbuildinfo + +# Optional npm cache directory +.npm + +# Optional eslint cache +.eslintcache + +# Optional stylelint cache +.stylelintcache + +# Microbundle cache +.rpt2_cache/ +.rts2_cache_cjs/ +.rts2_cache_es/ +.rts2_cache_umd/ + +# Optional REPL history +.node_repl_history + +# Output of 'npm pack' +*.tgz + +# Yarn Integrity file +.yarn-integrity + +# dotenv environment variable files +.env +.env.development.local +.env.test.local +.env.production.local +.env.local + +# parcel-bundler cache (https://parceljs.org/) +.cache +.parcel-cache + +# Next.js build output +.next +out + +# Nuxt.js build / generate output +.nuxt +dist + +# Gatsby files +.cache/ +# Comment in the public line in if your project uses Gatsby and not Next.js +# https://nextjs.org/blog/next-9-1#public-directory-support +# public + +# vuepress build output +.vuepress/dist + +# vuepress v2.x temp and cache directory +.temp +.cache + +# Docusaurus cache and generated files +.docusaurus + +# Serverless directories +.serverless/ + +# FuseBox cache +.fusebox/ + +# DynamoDB Local files +.dynamodb/ + +# TernJS port file +.tern-port + +# Stores VSCode versions used for testing VSCode extensions +.vscode-test + +# yarn v2 +.yarn/cache +.yarn/unplugged +.yarn/build-state.yml +.yarn/install-state.gz +.pnp.* diff --git a/activate.sh b/activate.sh new file mode 100755 index 0000000..939c322 --- /dev/null +++ b/activate.sh @@ -0,0 +1 @@ +PATH="$PATH:$PWD/node_modules/.bin/" \ No newline at end of file diff --git a/day_1/part_1.ts b/day_1/part_1.ts new file mode 100644 index 0000000..54a589a --- /dev/null +++ b/day_1/part_1.ts @@ -0,0 +1,8 @@ +import * as fs from "fs"; +const sum = fs + .readFileSync("input", "utf8") + .replace(/[^0-9\n]/g, "") + .split("\n") + .map((e) => parseInt(e[0] + e.at(-1))) + .reduce((sum, value) => sum + value, 0); +console.log(sum); diff --git a/day_1/part_2.ts b/day_1/part_2.ts new file mode 100644 index 0000000..45390c0 --- /dev/null +++ b/day_1/part_2.ts @@ -0,0 +1,83 @@ +import * as fs from "fs"; + +const file = fs.readFileSync("input", "utf8"); + +const first_half = file + .split("\n") + .map((e) => + e.replace(/one|two|three|four|five|six|seven|eight|nine/, (substr) => { + switch (substr) { + case "one": + return "1"; + case "two": + return "2"; + case "three": + return "3"; + case "four": + return "4"; + case "five": + return "5"; + case "six": + return "6"; + case "seven": + return "7"; + case "eight": + return "8"; + case "nine": + return "9"; + default: + console.error("ERROR"); + return "X"; + } + }) + ) + .map((e) => e.replace(/[^0-9\n]/g, "")) + .map((e) => e.at(0)); + +const second_half = file + .split("\n") + .map((e) => + e + .split("") + .reverse() + .join("") + .replace(/eno|owt|eerht|ruof|evif|xis|neves|thgie|enin/, (substr) => { + switch (substr) { + case "eno": + return "1"; + case "owt": + return "2"; + case "eerht": + return "3"; + case "ruof": + return "4"; + case "evif": + return "5"; + case "xis": + return "6"; + case "neves": + return "7"; + case "thgie": + return "8"; + case "enin": + return "9"; + default: + console.error("ERROR"); + return "X"; + } + }) + .split("") + .reverse() + .join("") + ) + .map((e) => e.replace(/[^0-9\n]/g, "")) + .map((e) => e.at(-1)); + +const sum = first_half + .map((e, i) => { + if (e) return parseInt(e + second_half[i]); + else console.error("MISSING VALUE"); + }) + .reduce((sum, value) => (sum || 0) + (value || 0), 0); + +console.log(sum); diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 0000000..29e1b77 --- /dev/null +++ b/package-lock.json @@ -0,0 +1,189 @@ +{ + "name": "advent-of-code-2023-2", + "lockfileVersion": 3, + "requires": true, + "packages": { + "": { + "dependencies": { + "@types/node": "^20.10.2", + "ts-node": "^10.9.1", + "typescript": "^5.3.2" + } + }, + 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