AdventOfCode2020/Day 2/part2.js

const fs = require('fs')

let data = JSON.parse(fs.readFileSync('./Day 2/data.json'))

let invalid = []

async function main() {

    for (let index = 0; index < data.length; index++) {
        const element = data[index];
        let info = element[0].split(' ')
        let info2 = info[0].split('-')
        let stringSplit = element[1].split('')

        if (stringSplit[info2[0]] === info[1] && stringSplit[info2[1]] === info[1]) {
            invalid.push(element)
        } else
            if (stringSplit[info2[0]] !== info[1] && stringSplit[info2[1]] !== info[1]) {
                invalid.push(element)
            } else {
                console.log(element)
            }
    }
    let answer = data.length - invalid.length
    console.log('Valid ' + answer)
}
main()