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-rw-r--r--aoc_2023/day-02/part_2.ts48
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diff --git a/aoc_2023/day-02/part_2.ts b/aoc_2023/day-02/part_2.ts
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+++ b/aoc_2023/day-02/part_2.ts
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+export const main = async (lines: string[]): Promise<number | string> => {
+ const games = lines
+ .filter((x) => x)
+ .map((line) => line.split(":").at(-1) as string)
+ .map((line) => line.split(";").map((x) => x.trim()));
+
+ let sum = 0;
+ for (let i = 0; i < games.length; i++) {
+ const game = games[i];
+
+ const mins = new Map<string, number>([
+ ["red", 0],
+ ["green", 0],
+ ["blue", 0],
+ ]);
+
+ for (const play of game) {
+ const sets = play.split(",").map((x) => x.trim());
+ for (const [num, color] of sets.map((s) => s.split(" "))) {
+ mins.set(color, Math.max(mins.get(color)!, parseInt(num)));
+ }
+ }
+
+ sum += Array.from(mins.keys())
+ .map((color) => mins.get(color)!)
+ .reduce((acc, x) => acc * x, 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");
+
+ console.log("=== COMPUTATION ===\n");
+
+ const answer = await main(lines);
+
+ console.log("\n=== /COMPUTATION ===\n");
+
+ console.log("=== ANSWER TO P2 ===");
+ console.log(answer);
+}