modamo.xyz
+40
day09/part1.ts
+40
day09/part1.ts
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import { readFileSync } from "fs";
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let [gridRows, gridCols] = [-Infinity, -Infinity];
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const tiles = readFileSync("./input.txt", "utf8")
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.split(/\n/)
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.map((line) => line.split(",").map(Number))
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.map((coordinate) => {
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const [c, r] = coordinate;
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gridCols = Math.max(c + 1 + 2, gridCols);
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gridRows = Math.max(r + 1, gridRows);
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return { c, r };
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});
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let largestArea = -Infinity;
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for (let i = 0; i < tiles.length; i++) {
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for (let j = i + 1; j < tiles.length; j++) {
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largestArea = Math.max(
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largestArea,
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(Math.abs(tiles[i].c - tiles[j].c) + 1) *
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(Math.abs(tiles[i].r - tiles[j].r) + 1)
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);
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}
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}
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console.log(largestArea);
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const grid = [
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...new Array(gridRows).fill(null).map(() => new Array(gridCols).fill(".")),
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...new Array(gridCols).fill(".")
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];
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for (const tile of tiles) {
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grid[tile.r][tile.c] = "#";
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}
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// console.log(grid);