Florian Bouillon 93f0a58796 feat: SPEEDRUN day 4
Signed-off-by: Florian BOUILLON <f.bouillon@aptatio.com>
2023-12-05 02:17:14 +01:00

22 lines
802 B
TypeScript

// note: this runs using bun!
const file = Bun.file('./input.txt')
const text = await file.text()
const games = text.split('\n')
.map((game) => {
const [prefix, data] = game.split(':', 2)
const [_, id] = prefix.split(/ +/g, 2)
const [winningListTxt, chosenListTxt] = data.split('|')
const winningNumbers = winningListTxt.trim().split(/ +/g).map((it) => parseInt(it.trim()))
const choseNumbers = chosenListTxt.trim().split(/ +/g).map((it) => parseInt(it.trim()))
const points = winningNumbers.reduce((p, c) => p + (choseNumbers.includes(c) ? 1 : 0), 0)
const finalPoints = Math.max(0, 1 << (points - 1))
return {
id: id,
winning: winningNumbers,
chosen: choseNumbers,
score: points,
points: finalPoints
}
})
console.log(games, games.reduce((p, c) => c.points + p, 0))