abrwn

# Day 1a

with open("../Downloads/input.txt") as f:
    lines = f.readlines()

did_increase = 0

for idx, i in enumerate(lines):
    if idx > 0 and int(lines[idx]) > int(lines[idx - 1]):
        did_increase += 1

abrwn

let d1p1 = x => x.map((e,i,a) => {
  return a.map((e2, i2) => {
    if (i === i2) return;
    if (e + e2 === 2020) {
        return e * e2;
    }
    return;
  }).find(Number);
}).find(Number);

abrwn

const d4p2 = data => {
  const getObj = passport => passport
    .split(/[^a-z0-9:#]/)
    .reduce((acc, str) => {
      const splitString = str.split(':');
      acc[splitString[0]] = splitString[1];
      return acc;
    }, {});

  const validate = ({