AdventOfCode2020/Day 2/part1.js

const fs = require('fs')

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

let invalid = []

function find_occurences(str, char_to_count) {
    return str.split(char_to_count).length - 1;
}

data.forEach(element => {
    let info = element[0].split(' ')
    let info2 = info[0].split('-')
    let count = find_occurences(element[1], info[1])
    if (count >= info2[0]) {
        if (count <= info2[1]) {
            console.log(element)
        } else {
            invalid.push(element)
        }
    } else {
        invalid.push(element)
    }
    console.log(element)
});

let answer = data.length - invalid.length
console.log('Valid ' + answer)