Day 1

So, I decided, against my better judgement to take part in the advent of code. I'm having a blast right now even if day 3 looks a little intimidating for me. For reference I'm not a developer by trade, albeit, I used to code a lot as a kid, I haven't coded properly in upwards of 3+ years.

Day one sets us up with quite a simple challenge: Take some numbers, find two that add up to 2020 then multiply them. Part two, take three, multiply them.

for (let i = 0; i < numbers.length; i++) {

    for (let j = i+1; j < numbers.length; j++) {

        if(numbers[i]+numbers[j] == 2020){
                const answer = numbers[i] * numbers[j];
                console.log(answer);
        }
    }
}

For part one, I thought the simplest way would be just to cycle through the options until we found the answer.

for (let i = 0; i < numbers.length; i++) {

    for (let j = i+1; j < numbers.length; j++) {

        for (let k = j+1; k < numbers.length; k++) {
         
            if(numbers[i]+numbers[j]+numbers[k] == 2020){
                const answer = numbers[i] * numbers[j] * numbers[k];
                console.log(answer);
            }
        }
    }  
}

For part 2, I added another layer of recursion. I want to come back to this later and figure out a way to not need that third layer of recursion, but, for now, it's here to stay.

That's my day 1, I'll be releasing day 2 in a little bit. :)

Rin