1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
export const main = async (lines: string[]): Promise<number | string> => {
const maps: number[][][] = [];
const seeds = lines[0]
.split(":")
.at(1)!
.split(" ")
.filter((x) => x)
.map((x) => parseInt(x));
for (const line of lines.slice(1, lines.length)) {
if (!line) continue;
if (line.includes("to")) {
maps.push([]);
continue;
}
console.log(maps);
const currMap = maps.at(-1);
const [dest, source, range] = line.split(" ").map((x) => parseInt(x));
if (currMap) {
currMap.push([dest, source, range]);
}
}
let min = Math.pow(2, 32);
for (const seed of seeds) {
const location = maps.reduce((acc, map) => {
const [dest, source, _range] = map.find(
([_dest, source, range]) => acc - source < range && acc - source >= 0
) ?? [acc, acc];
return acc - source + dest;
}, seed);
min = Math.min(min, location);
}
return min;
};
//
const isrun = process.argv.length > 1 && process.argv[1] === import.meta.path;
if (isrun) {
const file = Bun.file("./problem.txt");
const text = await file.text();
const lines = text.split("\n").filter((x) => x && x.length);
console.log("=== COMPUTATION ===\n");
const answer = await main(lines);
console.log("\n=== /COMPUTATION ===\n");
console.log("=== ANSWER TO P1 ===");
console.log(answer);
}
|
