56 lines
1.3 KiB
TypeScript
56 lines
1.3 KiB
TypeScript
import fs from 'node:fs';
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export default function runner(input: string) {
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fs.readFile(`./${input}`, 'utf8', (err, data) => {
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if (err) throw err;
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const [rawRules, rawPages] = data.split('\n\n')
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var rules :Map<string, number> = new Map();
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const parsedRules = (rawRules??"").split("\n")
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parsedRules.map(pRule => {
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const [v1, v2] = pRule.split("|")
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rules.set(pRule, -1)
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rules.set(`${v2}|${v1}`, 1)
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})
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let splitPages = (rawPages??"").split("\n")
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splitPages = splitPages.filter(value => {
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const aPages = value.split(",");
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const bPages = value.split(",");
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aPages.sort((a, b) => {
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return rules.get(`${a}|${b}`)??0
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})
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return !compareArrays(aPages, bPages);
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})
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let sortedPages : string[][] = []
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splitPages.forEach(value => {
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sortedPages.push(value.split(',').sort((a, b) => rules.get(`${a}|${b}`)??0))
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})
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console.log(sortedPages)
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let sum = 0;
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sortedPages.forEach(value => {
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const mid = ((value.length-1)/2)
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console.log(mid, value[mid])
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sum += parseInt(value[mid]??"");
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})
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console.log(sum)
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})
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}
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function compareArrays (x: any[], y: any[]): boolean{
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return (x.length == y.length && x.every((value, index) => {
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return value === y[index];
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}))
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} |