aoc-2023/day_5/solve.ts

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2024-12-09 22:41:02 +09:00
import { InputType } from "./parser.ts";
import { parseInput, MapType } from "./parser.ts";
function mapping(m: MapType, input: number) {
for (let i = 0; i < m.data.length; i++) {
const d = m.data[i];
// if input is in range
if (input >= d.src && input < d.src + d.range) {
return input - d.src + d.dst
}
}
// else return input
return input
}
const input = await Deno.readTextFile("input.txt");
const r = parseInput(input);
function composition(r: InputType, input: number) {
let result = input;
for (let i = 0; i < r.map.length; i++) {
const m = r.map[i];
result = mapping(m, result);
}
return result
// ["soil", "fertilizer", "water", "light", "temperature", "humidity", "location"].forEach((key) => {
// const m = r.map.filter(m => m.to === key)[0];
// });
}
const locations = r.seeds.map(seed => {
const location = composition(r, seed)
console.log(location)
return location;
});
const min = Math.min(...locations);
console.log("min ",min);