60 lines
No EOL
1.7 KiB
TypeScript
60 lines
No EOL
1.7 KiB
TypeScript
import { solvables } from "../main.ts";
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import { Day } from "../day.ts";
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import { readInput } from "../utils.ts";
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class DayImpl implements Day {
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day = 1
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input = readInput('01')
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public part1(): Day {
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const vals: [string, number][] = this.input
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.split("\n")
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.map(line => [line[0], Number.parseInt(line.slice(1))]);
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let state = 50;
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let zerooccurences = 0;
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for (const [direction, amount] of vals) {
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if (direction === 'R') {
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state += amount % 100;
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state %= 100;
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} else if (direction === 'L') {
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state -= amount % 100;
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if (state < 0) state += 100;
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}
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state === 0 ? zerooccurences++ : null;
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}
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console.log(zerooccurences)
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return this
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}
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public part2(): Day {
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const vals: [string, number][] = this.input
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.split("\n")
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.map(line => [line[0], Number.parseInt(line.slice(1))]);
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let state = 50;
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let zerooccurences = 0;
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for (const [direction, amount] of vals) {
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for (let i = 0; i < amount; i++) {
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state === 0 ? zerooccurences++ : null;
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if (direction === 'R') {
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state += 1;
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if (state === 100) {
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state = 0;
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}
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} else if (direction === 'L') {
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state -= 1;
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if (state === -1) {
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state = 99;
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}
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}
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}
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}
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console.log(zerooccurences)
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return this
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}
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}
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solvables.push(new DayImpl()) |