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i really don't know what's going wrong here

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mtrx 2024-12-08 00:04:07 +01:00
parent 3f33f23c96
commit a4d4dc2b23
1 changed files with 13 additions and 8 deletions
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21
solutions/06.ts
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@ -9,7 +9,7 @@ type Direction = "up" | "right" | "down" | "left"
class DaySix implements Solvable { class DaySix implements Solvable {
input: string[][] = readInput('06').split('\n').map(col => col.split('')) input: string[][] = readInput('06').split('\n').map(col => col.split(''))
map = this.input map = this.input
visitedLoc: Map<[number, number], null> = new Map() visitedLoc: Map<string, null> = new Map()
// assigned in part1 // assigned in part1
startingPosition: [number, number] = [0, 0] startingPosition: [number, number] = [0, 0]
@ -44,9 +44,9 @@ class DaySix implements Solvable {
walk = (x: number, y: number, direction: Direction): [boolean, number, number, Direction] => { walk = (x: number, y: number, direction: Direction): [boolean, number, number, Direction] => {
const nextStepInBounds = { const nextStepInBounds = {
up: y >= 1, up: y >= 1,
down: y <= this.map.length, down: y < this.map.length,
left: x >= 1, left: x >= 1,
right: x <= this.map[0].length, right: x < this.map[0].length,
} }
// if oob, return true // if oob, return true
@ -66,17 +66,19 @@ class DaySix implements Solvable {
} }
// path [y, x][] // path [y, x][]
visualizePath = (path: [number, number][]): string => { visualizePath = (path: string[]): string => {
const width = this.map[0].length const width = this.map[0].length
const screenMat: string[][] = [] const screenMat: string[][] = []
for (let i = 0; i < width; i++) screenMat.push(this.map[i].slice()) for (let i = 0; i < width; i++) screenMat.push(this.map[i].slice())
for (const [y, x] of path) { for (const loc of path) {
const [y, x]: number[] = loc.split(',').map(coord => Number.parseInt(coord))
screenMat[y][x] = 'X' screenMat[y][x] = 'X'
} }
const screen: string = screenMat.map((line: string[]) => line.join('')).join('\n') const screen: string = screenMat.map((line: string[]) => line.join('')).join('\n')
return screen return screen
} }
public async part1(): Promise<Solvable> { public async part1(): Promise<Solvable> {
// find starting position // find starting position
this.input.forEach((line, y) => line.forEach((char, x) => { if (char === '^') this.startingPosition = [y, x] })) this.input.forEach((line, y) => line.forEach((char, x) => { if (char === '^') this.startingPosition = [y, x] }))
@ -87,13 +89,13 @@ class DaySix implements Solvable {
// let i = 0 // let i = 0
while (!outOfBounds) { while (!outOfBounds) {
[outOfBounds, x, y, direction] = this.walk(x, y, direction) [outOfBounds, x, y, direction] = this.walk(x, y, direction)
this.visitedLoc.set([y, x], null) this.visitedLoc.set(y + ',' + x, null)
// console animation thingy // console animation thingy
// if (i % 10 === 0) { // if (i % 10 === 0) {
// const screen = this.visualizePath(this.visitedLoc.keys().toArray()) // const screen = this.visualizePath(this.visitedLoc.keys().toArray())
// console.log(screen) // console.log(screen)
// await delay(100) // await delay(200)
// } // }
// i++ // i++
} }
@ -101,7 +103,10 @@ class DaySix implements Solvable {
const path = this.visitedLoc.keys().toArray() const path = this.visitedLoc.keys().toArray()
const result: number = path.length const result: number = path.length
console.log(this.visualizePath(path)) console.log(this.visualizePath(path))
console.log(path)
const allDistinct = path.filter((loc: string) => path.indexOf(loc) !== path.lastIndexOf(loc)).length === 0
console.log(allDistinct ? 'path values distinct' : 'path values not distinct')
console.log(result) console.log(result)
return new Promise(() => this) return new Promise(() => this)