Samuel Shuert | fab8b24 | 2023-12-02 10:45:16 -0500 | [diff] [blame] | 1 | import { readFileSync } from 'fs' |
| 2 | |
| 3 | interface Game { |
| 4 | id: number, |
| 5 | red: number, |
| 6 | blue: number, |
| 7 | green: number |
| 8 | } |
| 9 | |
| 10 | const input: string[] | Game[] = readFileSync('./input.txt').toString().split('\n'); |
| 11 | |
| 12 | function getCubes(string: string, color?: 'red' | 'green' | 'blue'): number { |
| 13 | let regexp: RegExp; |
| 14 | switch (color) { |
| 15 | case 'red': { |
| 16 | regexp = /(\d+) red/g; |
| 17 | break; |
| 18 | } |
| 19 | case 'green': { |
| 20 | regexp = /(\d+) green/g; |
| 21 | break; |
| 22 | } |
| 23 | case 'blue': { |
| 24 | regexp = /(\d+) blue/g; |
| 25 | break; |
| 26 | } |
| 27 | default: { |
| 28 | regexp = /Game (\d+):/g; |
| 29 | break; |
| 30 | } |
| 31 | } |
| 32 | const matches = string.matchAll(regexp) |
| 33 | let max = 0; |
| 34 | for (const match of matches) { |
| 35 | if(parseInt(match[1]) > max) max = parseInt(match[1]) |
| 36 | } |
| 37 | |
| 38 | return max |
| 39 | |
| 40 | } |
| 41 | |
| 42 | const formatted = input.map(game => { |
| 43 | |
| 44 | const id = getCubes(game) |
| 45 | const red = getCubes(game, 'red') |
| 46 | const blue = getCubes(game, 'blue') |
| 47 | const green = getCubes(game, 'green') |
| 48 | |
| 49 | return { |
| 50 | id, |
| 51 | red, |
| 52 | green, |
| 53 | blue |
| 54 | } as Game |
| 55 | }) |
| 56 | |
| 57 | const maxes = { |
| 58 | red: 12, |
| 59 | green: 13, |
| 60 | blue: 14 |
| 61 | }; |
| 62 | |
| 63 | // Part One |
| 64 | ((games: Game[]) => { |
| 65 | let sum = 0; |
| 66 | for(const game of games) { |
| 67 | if( |
| 68 | game.red <= maxes.red && |
| 69 | game.blue <= maxes.blue && |
| 70 | game.green <= maxes.green |
| 71 | ) sum += game.id |
| 72 | } |
| 73 | console.log(sum) |
| 74 | })(formatted); |
| 75 | |
| 76 | //Part Two |
| 77 | ((games: Game[]) => { |
| 78 | let sum = 0; |
| 79 | for(const game of games) { |
| 80 | sum += game.red * game.green * game.blue |
| 81 | } |
| 82 | console.log(sum) |
| 83 | })(formatted); |