This commit is contained in:
Yanick Champoux 2022-12-08 11:18:50 -05:00
parent ff4203a58f
commit 94fc825a0b

View File

@ -1,6 +1,6 @@
import * as R from "remeda";
import { readFile } from "../05/part1.js";
import Victor from '@a-robu/victor';
import Victor from "@a-robu/victor";
const V = (...args) => new Victor(...args);
@ -8,16 +8,16 @@ const readInput = (...args) =>
readFile(...args)
.split("\n")
.filter((x) => x)
.map( l => l.split('').map( x => parseInt(x) ) );
.map((l) => l.split("").map((x) => parseInt(x)));
export function generateVisibilityGrid(forest) {
const size = forest.length;
const visibility = Array(size).fill(null).map(
() => Array(size).fill(false)
);
const visibility = Array(size)
.fill(null)
.map(() => Array(size).fill(false));
// top
const positions = R.range(size)(0).map( x => ({
const positions = R.range(size)(0).map((x) => ({
height: -1,
position: V(x, -1),
inc: V(0, 1),
@ -25,7 +25,7 @@ export function generateVisibilityGrid(forest) {
// bottom
positions.push(
...R.range(size)(0).map( x => ({
...R.range(size)(0).map((x) => ({
height: -1,
position: V(x, size),
inc: V(0, -1),
@ -33,14 +33,14 @@ export function generateVisibilityGrid(forest) {
);
positions.push(
...R.range(size)(0).map( x => ({
...R.range(size)(0).map((x) => ({
height: -1,
position: V(-1, x),
inc: V(1, 0),
}))
);
positions.push(
...R.range(size)(0).map( x => ({
...R.range(size)(0).map((x) => ({
height: -1,
position: V(size, x),
inc: V(-1, 0),
@ -51,7 +51,7 @@ export function generateVisibilityGrid(forest) {
if (Math.min(pos.x, pos.y) < 0) return true;
if (Math.max(pos.x, pos.y) >= size) return true;
return false;
}
};
while (positions.length) {
const pos = positions.shift();
@ -74,7 +74,7 @@ export const puzzleInput = readInput(import.meta.url, "input");
export const sample = readInput(import.meta.url, "sample");
function printMap(forest) {
forest.forEach( line => console.log(line.join(' ')) );
forest.forEach((line) => console.log(line.join(" ")));
return forest;
}