Created
December 6, 2019 21:09
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Advent of Code stuff
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| const input = ` | |
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| `.trim().split('\n').map(n => parseInt(n)) | |
| // Day 1 Part 1 | |
| function sum(ns: number[]): number { | |
| return ns.reduce((total, n) => n + total, 0) | |
| } | |
| function toFuel(mass: number): number { | |
| return Math.floor(mass / 3) - 2 | |
| } | |
| const baseFuels = input.map(mass => toFuel(mass)) | |
| const baseFuel = sum(baseFuels) | |
| // Day 1 Part 2 | |
| function auxFuelCost(baseFuel: number) { | |
| let curr = baseFuel | |
| let sum = 0 | |
| do { | |
| curr = toFuel(curr) | |
| if (curr > 0) sum += curr | |
| } while (curr > 0) | |
| return sum | |
| } | |
| const auxFuelCosts = input.map(mass => auxFuelCost(mass)) | |
| const totalFuel = sum(auxFuelCosts) | |
| console.log(totalFuel) |
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