blob: a026c5ef0506efc2c396aa200b3fc442665b1496 (
plain)
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
|
export const main = async (lines: string[]): Promise<number | string> => {
let sum = 0;
for (const line of lines) {
const [cardS, numbersS] = line.split(" | ");
const cardNums = cardS
.split(":")
.at(1)!
.split(" ")
.filter((x) => x)
.map((x) => x.trim())
.map((x) => parseInt(x));
const winners = numbersS
.split(" ")
.filter((x) => x)
.map((x) => x.trim())
.map((x) => parseInt(x));
console.log(cardNums, winners);
const winnerSet = new Set<number>(winners);
const wins = cardNums.reduce(
(acc, x) => acc + (winnerSet.has(x) ? 1 : 0),
0
);
if (wins > 0) sum += Math.pow(2, wins - 1);
}
return sum;
};
//
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);
}
|
