aoc-2024/day_1/solve_1.ts

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2024-12-05 13:55:07 +09:00
let txt = await Deno.readTextFile("input.txt");
txt = txt.trim();
const lst = txt.split("\r\n").map((x) =>
x.split(" ")
.filter((x) => x.length > 0))
.map(x => {
console.log(x);
return x;
})
.map((x) => [parseInt(x[0]), parseInt(x[1])]);
const left = lst.map((x) => x[0]);
const right = lst.map((x) => x[1]);
// Part 1
const sl = left.toSorted();
const sr = right.toSorted();
console.log(sr.filter(x => isNaN(x)));
const sum = sl.map((x, i) => Math.abs(x - sr[i])).reduce((a, b) => a + b, 0);
console.log(sum);