import fs from 'node:fs'

let all_deviation = 0

fs.readFile('input.txt', ({ encoding: 'utf-8' }), (err, data) => {
    let left_list = []
    let right_list = []
    for (let line of data.split('\n')) {
        //console.log(`${line}`)
        left_list.push(parseInt(line.split('   ')[0]))
        right_list.push(parseInt(line.split('   ')[1]))
    }
    left_list.sort()
    right_list.sort()

    let difference = 0
    for (let i = 0; i < left_list.length; i++) {
        console.log(`left: ${left_list[i]} - right: ${right_list[i]}`)
        difference += Math.abs(left_list[i] - right_list[i])
    }
    let similarity = 0


    for (let i = 0; i < left_list.length; i++) {
        let found = right_list.filter(number => number === left_list[i])
        //console.log(found)
        if (found.length > 0) {

            similarity += found.length * left_list[i]
        }


    }
    console.log(`difference: ${difference}`)
    console.log(`similarity: ${similarity}`)
})