add stuff form last year (gave up quickly)

2023/.gitignore

@@ -0,0 +1,2 @@
+/*/input.txt
+/*/big.txt

2023/01/.gitignore

@@ -0,0 +1,175 @@
+# Based on https://raw.githubusercontent.com/github/gitignore/main/Node.gitignore
+
+# Logs
+
+logs
+_.log
+npm-debug.log_
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+.pnpm-debug.log*
+
+# Caches 
+
+.cache
+
+# 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/)
+
+.parcel-cache
+
+# Next.js build output
+
+.next
+out
+
+# Nuxt.js build / generate output
+
+.nuxt
+dist
+
+# Gatsby files
+
+# 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
+
+# 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.*
+
+# IntelliJ based IDEs
+.idea
+
+# Finder (MacOS) folder config
+.DS_Store

2023/01/README.md

@@ -0,0 +1,15 @@
+# advent-2023-01
+
+To install dependencies:
+
+```bash
+bun install
+```
+
+To run:
+
+```bash
+bun run index.ts
+```
+
+This project was created using `bun init` in bun v1.0.14. [Bun](https://bun.sh) is a fast all-in-one JavaScript runtime.

2023/01/index.ts

@@ -0,0 +1,70 @@
+const args = Bun.argv.slice(2)
+
+if(args.length !== 1) {
+    console.error('Please, provide an input file');
+    process.exit(1);
+}
+
+const filename = args[0];
+
+
+const input = Bun.file(filename)
+const text = await input.text()
+
+const start = new Date();
+const result = text.split('\n').map(e => e.trim()).map(line => {
+    if(!line) return;
+
+    const match = matchOverlap(line, /(?:[0-9]|one|two|three|four|five|six|seven|eight|nine)/gi) ?? []
+    console.log(match)
+    const [leftmost, rightmost] = [match[0] ?? 0, match.slice(-1)[0] ?? 0];
+
+    console.log(line, leftmost, rightmost, toNum(leftmost), toNum(rightmost))
+
+    return toNum(leftmost) * 10 + toNum(rightmost);
+}).reduce((a = 0, b = 0) => a + b, 0)
+const end = new Date();
+console.log(result)
+console.log(end - start);
+
+function toNum(n: number | string): number {
+    if(typeof n == 'number') return n;
+    else {
+        switch(n.toLowerCase()) {
+            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:
+                return parseInt(n)
+        }
+    }
+}
+
+function matchOverlap(input, re) {
+    var r = [], m;
+    // Prevent infinite loops
+    if (!re.global) re = new RegExp(
+        re.source, (re+'').split('/').pop() + 'g'
+    );
+    while (m = re.exec(input)) {
+        re.lastIndex -= m[0].length - 1;
+        r.push(m[0]);
+    }
+    return r;
+}
+

2023/01/package.json

@@ -0,0 +1,14 @@
+{
+  "name": "advent-2023-01",
+  "module": "index.ts",
+  "type": "module",
+  "scripts": {
+    "start": "bun ."
+  },
+  "devDependencies": {
+    "bun-types": "latest"
+  },
+  "peerDependencies": {
+    "typescript": "^5.0.0"
+  }
+}

2023/01/tsconfig.json

@@ -0,0 +1,22 @@
+{
+  "compilerOptions": {
+    "lib": ["ESNext"],
+    "module": "esnext",
+    "target": "esnext",
+    "moduleResolution": "bundler",
+    "moduleDetection": "force",
+    "allowImportingTsExtensions": true,
+    "noEmit": true,
+    "composite": true,
+    "strict": true,
+    "downlevelIteration": true,
+    "skipLibCheck": true,
+    "jsx": "react-jsx",
+    "allowSyntheticDefaultImports": true,
+    "forceConsistentCasingInFileNames": true,
+    "allowJs": true,
+    "types": [
+      "bun-types" // add Bun global
+    ]
+  }
+}

2023/02/.gitignore

@@ -0,0 +1,175 @@
+# Based on https://raw.githubusercontent.com/github/gitignore/main/Node.gitignore
+
+# Logs
+
+logs
+_.log
+npm-debug.log_
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+.pnpm-debug.log*
+
+# Caches 
+
+.cache
+
+# 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/)
+
+.parcel-cache
+
+# Next.js build output
+
+.next
+out
+
+# Nuxt.js build / generate output
+
+.nuxt
+dist
+
+# Gatsby files
+
+# 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
+
+# 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.*
+
+# IntelliJ based IDEs
+.idea
+
+# Finder (MacOS) folder config
+.DS_Store

2023/02/README.md

@@ -0,0 +1,15 @@
+# advent-2023-01
+
+To install dependencies:
+
+```bash
+bun install
+```
+
+To run:
+
+```bash
+bun run index.ts
+```
+
+This project was created using `bun init` in bun v1.0.14. [Bun](https://bun.sh) is a fast all-in-one JavaScript runtime.

2023/02/index.ts

@@ -0,0 +1,71 @@
+const args = Bun.argv.slice(2)
+
+if(args.length !== 1) {
+    console.error('Please, provide an input file')
+    process.exit(1)
+}
+
+const filename = args[0];
+
+
+const input = Bun.file(filename)
+const text = await input.text()
+
+let count = 0
+text.split('\n').map(e => e.trim()).filter(line => line)
+    .forEach(line => {
+        const [gameID, gameData] = line.split(':')
+        const min = gameData.split(';')
+            .map(set => set.trim())
+            .map(set => addArraysToObj(
+                    set.split(',').map(color =>
+                        color.trim().split(' ').reverse() as [string, string]
+                    )
+                )
+            ).reduce((acc, object) => {
+                for(const key of Object.keys(object)) {
+                    acc[key] = Math.max(acc[key] ?? 0, object[key] ?? 0)
+                }
+                return acc
+            }, {})
+
+        count += Object.values(min).reduce((a=1, b=1) => a * b, 1)
+    })
+
+console.log(count)
+
+function addArraysToObj(array: Array<[string, number | string]>) {
+    const object: { [key: string]: number } = {}
+    array.forEach(([key, val]) => object[key] = (object[key] ?? 0) + toNum(val))
+
+    return object
+}
+
+
+function toNum(n: number | string): number {
+    if(typeof n == 'number') return n;
+    else {
+        switch(n.toLowerCase()) {
+            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:
+                return parseInt(n)
+        }
+    }
+}

2023/02/package.json

@@ -0,0 +1,14 @@
+{
+  "name": "advent-2023-01",
+  "module": "index.ts",
+  "type": "module",
+  "scripts": {
+    "start": "bun run ."
+  },
+  "devDependencies": {
+    "bun-types": "latest"
+  },
+  "peerDependencies": {
+    "typescript": "^5.0.0"
+  }
+}

2023/02/tsconfig.json

@@ -0,0 +1,22 @@
+{
+  "compilerOptions": {
+    "lib": ["ESNext"],
+    "module": "esnext",
+    "target": "esnext",
+    "moduleResolution": "bundler",
+    "moduleDetection": "force",
+    "allowImportingTsExtensions": true,
+    "noEmit": true,
+    "composite": true,
+    "strict": true,
+    "downlevelIteration": true,
+    "skipLibCheck": true,
+    "jsx": "react-jsx",
+    "allowSyntheticDefaultImports": true,
+    "forceConsistentCasingInFileNames": true,
+    "allowJs": true,
+    "types": [
+      "bun-types" // add Bun global
+    ]
+  }
+}

2023/03/.gitignore

@@ -0,0 +1,175 @@
+# Based on https://raw.githubusercontent.com/github/gitignore/main/Node.gitignore
+
+# Logs
+
+logs
+_.log
+npm-debug.log_
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+.pnpm-debug.log*
+
+# Caches 
+
+.cache
+
+# 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/)
+
+.parcel-cache
+
+# Next.js build output
+
+.next
+out
+
+# Nuxt.js build / generate output
+
+.nuxt
+dist
+
+# Gatsby files
+
+# 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
+
+# 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.*
+
+# IntelliJ based IDEs
+.idea
+
+# Finder (MacOS) folder config
+.DS_Store

2023/03/README.md

@@ -0,0 +1,15 @@
+# advent-2023-03
+
+To install dependencies:
+
+```bash
+bun install
+```
+
+To run:
+
+```bash
+bun run index.ts
+```
+
+This project was created using `bun init` in bun v1.0.14. [Bun](https://bun.sh) is a fast all-in-one JavaScript runtime.

2023/03/index.ts

@@ -0,0 +1,58 @@
+const args = Bun.argv.slice(2)
+
+if(args.length !== 1) {
+    console.error('Please, provide an input file')
+    process.exit(1)
+}
+
+const filename = args[0];
+
+
+const input = Bun.file(filename)
+const text = await input.text()
+
+let count = 0
+let prevNums: Array<[string, number]> = []
+let prevSyms: Array<[number, string[]]> = []
+text.split('\n').forEach(ln => {
+    const line = ln.trim()
+    if(!line) return
+
+    let tokens = line.matchAll(/\d+|\*/g)
+
+    let nums: Array<[string, number]> = [], syms: Array<[number, string[]]> = []
+    for(const token of tokens) {
+        /\d/.test(token.toString()) ?
+            nums.push([token.toString(), token.index as number]) :
+            syms.push([token.index as number, []])
+    }
+
+
+    pushNums(prevSyms, nums)
+        .map(([_index, attached]) => attached)
+        .filter(attached => attached.length == 2)
+        .forEach(attached => {
+            count += attached
+                .map(e => parseInt(e))
+                .reduce((a = 1, b = 1) => a * b, 1)
+        })
+
+    syms = pushNums(syms, nums)
+    syms = pushNums(syms, prevNums)
+
+    prevNums = nums
+    prevSyms = syms
+})
+
+console.log(count)
+
+function pushNums(symbols: Array<[number, string[]]>, nums: Array<[string, number]>): [number, string[]][] {
+    return symbols.map(([index, attached]) => {
+        attached.push(
+            ...nums.filter(([num, nindex]) => {
+                return index >= nindex - 1 && index <= nindex + num.length
+            }).map(([num]) => num)
+        )
+        return [index, attached]
+    })
+}

2023/03/package.json

@@ -0,0 +1,14 @@
+{
+  "name": "advent-2023-03",
+  "module": "index.ts",
+  "type": "module",
+  "scripts": {
+    "start": "bun run ."
+  },
+  "devDependencies": {
+    "bun-types": "latest"
+  },
+  "peerDependencies": {
+    "typescript": "^5.0.0"
+  }
+}

2023/03/sample.txt

@@ -0,0 +1,10 @@
+467..114..
+...*......
+..35..633.
+......#...
+617*......
+.....+.58.
+..592.....
+......755.
+...$.*....
+.664.598..

2023/03/tsconfig.json

@@ -0,0 +1,22 @@
+{
+  "compilerOptions": {
+    "lib": ["ESNext"],
+    "module": "esnext",
+    "target": "esnext",
+    "moduleResolution": "bundler",
+    "moduleDetection": "force",
+    "allowImportingTsExtensions": true,
+    "noEmit": true,
+    "composite": true,
+    "strict": true,
+    "downlevelIteration": true,
+    "skipLibCheck": true,
+    "jsx": "react-jsx",
+    "allowSyntheticDefaultImports": true,
+    "forceConsistentCasingInFileNames": true,
+    "allowJs": true,
+    "types": [
+      "bun-types" // add Bun global
+    ]
+  }
+}

2023/04/.gitignore

@@ -0,0 +1 @@
+main

2023/04/main.c

@@ -0,0 +1,72 @@
+// gcc -static main.c -o main -Ofast
+
+#include <stdio.h>
+#include <unistd.h>
+#include <time.h>
+
+unsigned long long count = 0;
+
+unsigned char start_index;
+unsigned char scratches_end;
+unsigned char results_index;
+unsigned char line_size;
+
+unsigned short k = 0;
+//unsigned int sclones = 0;
+unsigned long long clones[32767] = { [0 ... 32766] = 1 };
+void addCardToCount(char *line) {
+    unsigned char matches = 0;
+    for(unsigned char i = start_index; i < scratches_end; i += 3) {
+        for(unsigned char j = results_index; j < line_size; j += 3) {
+            unsigned char match = (line[i] == line[j] && line[i + 1] == line[j + 1]);
+            matches += match;
+            if(match) break;
+        }
+    }
+
+    //unsigned long long this_instan = sclones > k ? clones[k] + 1 : 1;
+    unsigned long long this_instan = clones[k];
+    for(unsigned short i = k + 1; i < matches + k + 1; i++) {
+        //clones[i] = ((sclones > i) * clones[i]) + this_instan;
+        clones[i] += this_instan;
+    }
+    //sclones = sclones > k + matches ? sclones + 1 : k + matches;
+
+    count += this_instan;
+    k++;
+}
+
+int main() {
+    clock_t begin = clock();
+
+    unsigned char i = 0;
+    char line[256];
+
+    while(read(0, &line[i], 1) > 0 && line[i] != ':') {
+        i++;
+    }
+    start_index = ++i + 1;
+
+    while(read(0, &line[i], 1) > 0 && line[i] != '|') {
+        i++;
+    }
+    scratches_end = i - 1;
+    results_index = i++ + 2;
+
+    while(read(0, &line[i], 1) > 0 && line[i] != '\n') {
+        i++;
+    }
+    line_size = ++i;
+
+    do {
+        addCardToCount(line);
+    } while(read(0, &line, line_size) == line_size);
+
+    clock_t end = clock();
+    double time_spent = (double)(end - begin) / CLOCKS_PER_SEC;
+
+    printf("%llu\n", count);
+    printf("Time spent: %lf\n", time_spent);
+
+    return 0;
+}

2023/04/sample.txt

@@ -0,0 +1,6 @@
+Card 1: 41 48 83 86 17 | 83 86  6 31 17  9 48 53
+Card 2: 13 32 20 16 61 | 61 30 68 82 17 32 24 19
+Card 3:  1 21 53 59 44 | 69 82 63 72 16 21 14  1
+Card 4: 41 92 73 84 69 | 59 84 76 51 58  5 54 83
+Card 5: 87 83 26 28 32 | 88 30 70 12 93 22 82 36
+Card 6: 31 18 13 56 72 | 74 77 10 23 35 67 36 11