Advent of code 2024 Day 1

advent-code-2024-day1.js

const input = await fetch('https://adventofcode.com/2024/day/1/input').then(res => res.text()).then(data => data.trim());

console.log(input);

const aArr = [];
const bArr = [];

input.split('\n').forEach((lineValue) => {
    const [a, b] = lineValue.split('   ');
    aArr.push(parseInt(a, 10));
    bArr.push(parseInt(b, 10));
});

console.log(aArr, bArr)

// part 2
const similarity = aArr.reduce((acc, val, i) => {
    const occurrences = bArr.filter((v2) => v2 === val).length

    return acc + val * occurrences;
}, 0);

console.log({similarity})

// part 1
// const aSortArr = aArr.sort((a,b) => a-b);
// const bSortArr = bArr.sort((a,b) => a-b);


// console.log(aSortArr, bSortArr)

// const distanceArr = aSortArr.map((val, index) => {
//     return Math.abs(val - bSortArr[index])
// })

// console.log(distanceArr)

// const distance = distanceArr.reduce((acc, cur) => acc+cur, 0)

// console.log(distance)