41 lines
1 KiB
JavaScript
41 lines
1 KiB
JavaScript
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const fs = require('fs');
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const data = fs.readFileSync('input.txt', 'utf-8');
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const passports = data.split('\n\n').map(p=>p.split(/[\n\s]/g).map(e=>e.split(":")));
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// requried fields
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const req = [
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["byr", (v => !(v.length != 4 || v<1920 || v>2002))],
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["iyr", (v => !(v.length != 4 || v<2010 || v>2020))],
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["eyr", (v => !(v.length != 4 || v<2020 || v>2030))],
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["hgt", (v => {
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n = parseInt(v)
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if (v.endsWith('cm')){
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if (n<150 || n>193) {return false}
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} else if ( v.endsWith('in')) {
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if (n<59 || n>76) {return false}
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} else {
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return false
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}
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return true
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})],
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["hcl", (v => !!v.match(/^#[0-9a-f]{6}/))],
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["ecl", (v => !!['amb','blu','brn','gry','grn','hzl','oth'].find(e => e==v))],
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["pid", (v => !!v.match(/^[0-9]{9}$/))]
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];
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let validamt = 0
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passports.forEach(passport=>{
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for(let i = 0; i < req.length; i++){
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result = passport.find(entry => entry[0] == req[i][0])
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if(!result) {
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return
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}
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if(!req[i][1](result[1])){
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return
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}
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}
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validamt++
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});
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console.log(validamt)
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