this repo has no description
part 1 done!
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2023/day06/deno.lock
+37
2023/day06/deno.lock
···
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{
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"version": "3",
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"remote": {
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"https://deno.land/std@0.208.0/assert/_constants.ts": "8a9da298c26750b28b326b297316cdde860bc237533b07e1337c021379e6b2a9",
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"https://deno.land/std@0.208.0/assert/_diff.ts": "58e1461cc61d8eb1eacbf2a010932bf6a05b79344b02ca38095f9b805795dc48",
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"https://deno.land/std@0.208.0/assert/_format.ts": "a69126e8a469009adf4cf2a50af889aca364c349797e63174884a52ff75cf4c7",
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"https://deno.land/std@0.208.0/assert/assert.ts": "9a97dad6d98c238938e7540736b826440ad8c1c1e54430ca4c4e623e585607ee",
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"https://deno.land/std@0.208.0/assert/assert_almost_equals.ts": "e15ca1f34d0d5e0afae63b3f5d975cbd18335a132e42b0c747d282f62ad2cd6c",
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"https://deno.land/std@0.208.0/assert/assert_array_includes.ts": "6856d7f2c3544bc6e62fb4646dfefa3d1df5ff14744d1bca19f0cbaf3b0d66c9",
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"https://deno.land/std@0.208.0/assert/assert_exists.ts": "407cb6b9fb23a835cd8d5ad804e2e2edbbbf3870e322d53f79e1c7a512e2efd7",
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"https://deno.land/std@0.208.0/assert/assert_false.ts": "0ccbcaae910f52c857192ff16ea08bda40fdc79de80846c206bfc061e8c851c6",
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"https://deno.land/std@0.208.0/assert/assert_greater.ts": "ae2158a2d19313bf675bf7251d31c6dc52973edb12ac64ac8fc7064152af3e63",
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"https://deno.land/std@0.208.0/assert/assert_not_strict_equals.ts": "4cdef83df17488df555c8aac1f7f5ec2b84ad161b6d0645ccdbcc17654e80c99",
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"https://deno.land/std@0.208.0/assert/mod.ts": "37c49a26aae2b254bbe25723434dc28cd7532e444cf0b481a97c045d110ec085",
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"https://deno.land/std@0.208.0/assert/unimplemented.ts": "d56fbeecb1f108331a380f72e3e010a1f161baa6956fd0f7cf3e095ae1a4c75a",
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"https://deno.land/std@0.208.0/assert/unreachable.ts": "4600dc0baf7d9c15a7f7d234f00c23bca8f3eba8b140286aaca7aa998cf9a536",
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"https://deno.land/std@0.208.0/fmt/colors.ts": "34b3f77432925eb72cf0bfb351616949746768620b8e5ead66da532f93d10ba2"
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}
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}
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-2
2023/day06/part1.ts
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-2
2023/day06/part1.ts
···
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import { assert } from "https://deno.land/std@0.208.0/assert/assert.ts";
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if (import.meta.main) {
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const input = (
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await Deno.readFile("input").then((bytes) =>
···
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}
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export function answer(input: string): number {
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console.log(input);
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return 42;
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const [raceDurations, records] = input.split("\n").map((l) => {
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return l
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.split(/\s+/)
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.slice(1)
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.map((x) => parseInt(x));
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});
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let errorMargin = 1;
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for (let i = 0; i < raceDurations.length; i++) {
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const [min, max] = minMaxHoldsToWin(raceDurations[i], records[i]);
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errorMargin *= max - min + 1;
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}
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return errorMargin;
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}
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function minMaxHoldsToWin(
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raceDuration: number,
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record: number,
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): [number, number] {
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let min = 0;
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let max = 0;
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for (let hold = 0; hold < raceDuration; hold++) {
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const distance = hold * (raceDuration - hold);
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if (min === 0 && distance > record) min = hold;
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if (min !== 0 && distance > record) max = hold;
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if (min !== 0 && max !== 0 && distance < record) break;
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}
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return [min, max];
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}
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-2
2023/day06/test.ts
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-2
2023/day06/test.ts
···
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import * as p2 from "./part2.ts";
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Deno.test("part1", () => {
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const examples = ["abc", "def"].join("\n");
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assertEquals(p1.answer(examples), 42);
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const examples = ["Time: 7 15 30", "Distance: 9 40 200"].join(
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"\n",
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);
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assertEquals(p1.answer(examples), 288);
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});
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Deno.test("part2", () => {