feat(day-2): add part 1 solution

2 files changed, 152 insertions, 0 deletions

diff --git a/day-2/input.txt b/day-2/input.txt
new file mode 100644
index 0000000..70852bf
--- /dev/null
+++ b/day-2/input.txt
@@ -0,0 +1,100 @@
+Game 1: 13 green, 3 red; 4 red, 9 green, 4 blue; 9 green, 10 red, 2 blue
+Game 2: 3 red, 8 green, 1 blue; 4 green, 11 blue, 2 red; 3 blue, 2 red, 6 green; 5 green, 15 blue, 1 red; 2 blue, 2 red, 5 green; 12 blue, 7 green, 2 red
+Game 3: 1 red, 9 green, 3 blue; 8 green, 4 red, 11 blue; 6 red, 10 blue; 6 green, 6 red, 12 blue; 2 blue, 11 green, 7 red; 12 blue, 9 green, 8 red
+Game 4: 7 red, 2 green, 1 blue; 12 green; 12 green
+Game 5: 15 red, 3 green, 1 blue; 6 red, 2 blue, 2 green; 3 green, 3 red, 1 blue; 2 blue, 13 red, 5 green; 2 green, 15 red, 2 blue
+Game 6: 3 blue, 15 red, 1 green; 8 green, 5 red, 6 blue; 9 green, 5 blue, 6 red; 9 green, 3 blue, 9 red; 10 green, 14 red, 2 blue
+Game 7: 6 green, 1 red, 11 blue; 6 green, 1 red, 3 blue; 4 green, 20 blue; 2 red, 5 blue, 4 green; 10 green, 17 blue
+Game 8: 10 blue, 9 green, 10 red; 9 green, 1 red; 8 red, 9 green, 9 blue; 5 green, 3 red, 7 blue
+Game 9: 7 blue, 1 red; 5 red, 4 green; 4 green, 6 red, 5 blue; 2 green, 4 blue; 3 green, 6 blue, 4 red; 1 green, 3 red, 3 blue
+Game 10: 2 red, 2 green, 2 blue; 10 blue, 2 red, 1 green; 2 green, 9 blue, 3 red
+Game 11: 8 red, 4 blue, 1 green; 3 red; 1 green; 2 green, 3 blue
+Game 12: 10 red, 2 green, 4 blue; 4 red, 2 green; 1 blue, 1 red, 1 green; 10 red, 1 green, 5 blue
+Game 13: 20 blue, 9 green, 7 red; 13 red, 13 blue, 16 green; 17 blue, 6 red, 6 green; 1 red, 1 blue, 9 green; 9 blue, 18 green, 7 red
+Game 14: 6 blue, 14 red; 9 red, 8 blue; 2 red, 1 green, 8 blue; 3 blue, 1 green, 9 red; 8 blue, 2 green, 1 red
+Game 15: 3 red, 1 blue, 5 green; 2 red, 3 green; 5 red, 5 green, 1 blue; 2 green, 6 red; 4 red, 1 blue; 6 red, 1 blue, 1 green
+Game 16: 5 blue, 7 red, 2 green; 7 red, 12 blue; 10 blue, 11 green, 5 red; 11 red, 11 blue, 10 green
+Game 17: 3 red, 7 blue; 1 blue, 14 green, 4 red; 11 blue, 4 red, 11 green; 18 blue, 5 red, 11 green; 18 blue, 1 red, 8 green
+Game 18: 8 green, 2 red, 6 blue; 8 blue, 11 green; 2 red, 11 blue, 9 green
+Game 19: 11 red, 9 green, 3 blue; 19 green, 9 red, 2 blue; 19 green, 4 blue, 4 red; 1 green, 11 red; 10 red, 2 green, 4 blue
+Game 20: 2 blue, 3 red, 1 green; 1 red, 3 green; 7 blue, 1 green, 4 red; 1 red, 8 blue, 7 green; 6 blue, 3 red; 5 red, 3 blue, 7 green
+Game 21: 1 green, 1 blue, 10 red; 1 green, 5 red, 8 blue; 11 red, 4 blue; 6 blue, 6 red
+Game 22: 6 blue, 6 green; 8 green, 15 blue; 8 green, 3 blue, 1 red; 11 blue, 2 red, 7 green
+Game 23: 1 green, 3 blue, 7 red; 4 red, 1 green, 2 blue; 3 red, 2 blue, 2 green
+Game 24: 4 green, 8 blue, 4 red; 2 green, 9 blue; 4 green, 1 red; 2 green, 5 blue, 1 red; 2 blue, 3 red, 3 green; 6 blue
+Game 25: 7 blue; 15 blue, 5 red; 6 blue, 12 red; 1 green, 17 red; 13 blue, 5 red; 17 red
+Game 26: 1 blue, 3 green, 7 red; 9 red, 4 green, 1 blue; 1 red, 2 green, 1 blue; 11 red, 3 green; 10 red, 4 green, 2 blue; 6 red, 4 green
+Game 27: 4 blue, 6 red; 2 blue, 8 red, 1 green; 3 blue, 3 red; 2 red, 1 blue; 1 green, 3 blue, 6 red
+Game 28: 1 red, 7 blue, 7 green; 2 green, 1 red, 4 blue; 8 green, 2 red; 2 red, 7 blue, 5 green; 12 green, 5 blue, 2 red; 1 red, 1 green, 2 blue
+Game 29: 10 green, 3 red, 6 blue; 9 green, 6 blue, 4 red; 3 red, 2 blue, 17 green
+Game 30: 8 blue; 15 blue, 1 red; 10 green, 2 red, 13 blue
+Game 31: 10 green, 2 blue, 7 red; 2 green, 1 blue; 1 blue, 15 green, 2 red; 7 green, 2 blue; 3 blue, 6 green, 8 red; 6 red, 1 blue
+Game 32: 2 blue, 2 red, 11 green; 10 green, 2 red, 1 blue; 1 green, 2 blue; 2 red, 9 green, 2 blue; 2 blue, 1 green; 5 green, 1 blue, 2 red
+Game 33: 8 red, 6 blue; 2 green, 3 red, 2 blue; 1 green, 13 red, 18 blue
+Game 34: 7 blue, 5 green; 5 green, 8 blue; 13 blue, 15 red, 2 green
+Game 35: 1 blue, 2 green; 9 green; 4 red, 14 green; 1 red, 1 blue, 17 green
+Game 36: 2 red, 14 green, 4 blue; 13 green, 3 blue; 1 blue, 7 green, 2 red; 4 blue, 9 green; 1 green, 3 blue, 1 red; 2 red, 4 blue, 10 green
+Game 37: 2 blue, 7 green, 5 red; 5 green, 2 blue; 6 blue, 11 red
+Game 38: 6 green, 6 red; 9 red, 10 green; 2 blue, 8 green, 8 red
+Game 39: 10 red, 3 blue; 5 green, 3 red; 5 red, 7 green
+Game 40: 5 red, 14 green, 2 blue; 5 red, 7 blue, 12 green; 2 green, 4 red; 1 red, 16 green, 3 blue; 16 green, 4 red, 7 blue; 9 green, 2 red
+Game 41: 4 red, 3 green, 2 blue; 13 green, 6 blue; 2 red, 14 green, 1 blue; 7 blue, 2 red, 14 green
+Game 42: 4 red; 1 blue, 5 red; 1 green, 6 red; 1 red, 1 blue; 3 blue, 8 red
+Game 43: 7 blue, 16 red, 1 green; 2 red, 6 green, 1 blue; 5 green, 3 red; 5 green, 9 blue, 2 red; 3 red, 9 blue, 4 green; 7 red, 9 blue
+Game 44: 2 red, 2 green; 5 red, 1 blue, 8 green; 7 green, 3 blue, 5 red
+Game 45: 8 blue, 16 red; 8 blue; 4 blue, 1 green, 8 red
+Game 46: 11 green, 9 blue, 1 red; 8 green, 7 blue; 10 blue, 1 red, 1 green; 12 green, 10 blue
+Game 47: 3 green, 6 red, 1 blue; 2 blue, 2 green, 12 red; 3 red, 2 green, 1 blue
+Game 48: 3 red, 3 green, 3 blue; 3 red, 4 green, 2 blue; 2 green, 7 red, 1 blue; 2 red, 3 blue, 5 green
+Game 49: 5 red, 7 blue, 5 green; 10 red, 4 green, 7 blue; 9 red, 17 green; 6 green, 1 red, 2 blue; 7 green, 8 blue, 5 red
+Game 50: 2 red, 4 green, 16 blue; 4 blue, 3 red, 8 green; 4 blue, 2 red, 6 green
+Game 51: 16 green, 10 red, 14 blue; 8 red, 4 blue, 12 green; 14 green, 7 blue; 6 red, 20 green, 3 blue
+Game 52: 1 red, 1 blue, 1 green; 9 green, 9 red; 4 green, 13 red; 7 red, 11 green; 4 red, 1 blue; 8 green, 3 red, 1 blue
+Game 53: 4 green, 11 blue; 9 green, 2 red; 6 red, 18 green, 13 blue; 6 red, 2 blue, 14 green
+Game 54: 1 green, 1 red, 1 blue; 2 green, 4 blue; 4 blue, 5 green; 3 blue, 1 red, 10 green
+Game 55: 8 blue, 2 red, 3 green; 9 red, 11 blue; 1 green, 12 blue, 4 red; 3 green, 17 red; 3 red, 3 green, 15 blue; 7 blue, 7 red, 2 green
+Game 56: 3 blue, 13 green; 9 green, 2 blue; 1 red, 2 blue, 16 green
+Game 57: 6 blue, 4 red; 3 green, 6 red; 2 red, 3 blue, 3 green; 8 red, 5 blue
+Game 58: 4 red, 15 green, 5 blue; 1 red, 16 blue, 14 green; 2 green, 17 blue, 6 red; 20 blue, 3 red, 7 green; 17 green, 1 red, 12 blue
+Game 59: 3 blue, 14 red; 5 green, 10 red, 2 blue; 2 blue, 5 red, 6 green
+Game 60: 4 red, 1 blue, 1 green; 15 blue; 8 green, 14 blue, 4 red; 9 blue, 3 green, 4 red; 4 green, 2 red, 11 blue; 4 blue, 7 green
+Game 61: 5 green, 9 blue, 16 red; 4 blue, 12 green, 4 red; 17 red, 7 green, 5 blue; 19 blue, 12 red, 17 green; 8 green, 13 red
+Game 62: 13 green, 1 red, 7 blue; 9 blue, 1 red, 4 green; 14 green, 2 red, 2 blue; 3 green
+Game 63: 6 green; 7 red, 3 blue, 8 green; 5 blue, 1 green, 6 red; 6 green, 6 red, 2 blue; 8 green, 2 blue
+Game 64: 16 blue, 1 red, 2 green; 4 green, 1 blue, 6 red; 6 green, 2 blue, 2 red; 17 blue; 1 red; 13 blue, 6 green, 1 red
+Game 65: 8 red, 3 green, 7 blue; 6 blue, 8 red, 2 green; 2 blue, 3 green, 17 red
+Game 66: 2 blue, 3 green, 3 red; 3 red, 2 blue; 5 red, 4 green, 3 blue; 1 blue, 3 green; 2 red, 1 green, 1 blue; 2 blue, 4 green
+Game 67: 2 red, 3 blue, 15 green; 2 blue, 2 red, 17 green; 4 blue, 3 red, 2 green; 6 red; 3 red, 8 green
+Game 68: 7 red, 1 blue, 12 green; 17 red, 1 green; 10 red, 8 green; 16 red, 5 green, 2 blue; 4 red, 1 blue, 8 green; 8 green, 7 red, 2 blue
+Game 69: 17 green, 9 red, 2 blue; 1 blue, 14 green, 3 red; 9 red, 12 green, 2 blue; 11 green, 2 blue, 7 red
+Game 70: 1 green, 8 blue, 2 red; 2 red, 10 green, 1 blue; 1 red, 12 green, 6 blue; 9 green, 4 blue, 4 red; 2 red, 6 green; 3 red, 8 green, 6 blue
+Game 71: 1 red, 5 blue; 12 blue, 3 red; 3 red, 2 green, 4 blue; 5 blue, 3 green, 1 red
+Game 72: 11 red, 6 blue; 1 red, 1 blue, 1 green; 2 blue, 7 red; 18 blue, 3 red; 1 green, 1 blue, 12 red
+Game 73: 4 red, 2 blue, 1 green; 3 red; 5 red, 1 blue; 4 blue, 6 red
+Game 74: 2 red; 2 red, 5 green; 4 green, 1 red, 1 blue; 1 blue, 5 green, 5 red; 7 red, 1 blue, 3 green; 8 red, 1 blue, 6 green
+Game 75: 13 blue, 2 red, 2 green; 2 red, 9 blue; 2 red, 9 blue, 5 green
+Game 76: 2 red, 3 green, 18 blue; 2 red, 11 green, 5 blue; 6 green, 8 blue, 2 red; 4 blue; 7 green, 14 blue
+Game 77: 5 blue, 8 red, 1 green; 2 blue, 5 green, 12 red; 3 red, 4 blue
+Game 78: 1 blue, 2 green, 16 red; 2 red, 3 green; 1 red, 4 green, 2 blue; 11 red; 2 green, 12 red, 2 blue; 11 red, 5 green, 3 blue
+Game 79: 10 green, 3 blue, 2 red; 8 red, 3 blue, 8 green; 5 green, 3 red, 11 blue; 9 green, 16 blue
+Game 80: 1 red, 4 blue; 6 green, 1 red; 6 green, 3 blue, 1 red; 6 green, 2 red; 7 green, 1 blue; 2 red, 2 blue, 2 green
+Game 81: 10 blue, 4 red, 4 green; 5 green, 1 red, 7 blue; 11 blue, 8 green, 2 red; 8 green, 2 red
+Game 82: 12 green, 1 red, 3 blue; 6 red, 1 blue; 16 green, 3 red, 4 blue; 8 blue; 7 blue, 7 green, 2 red; 4 red, 19 green
+Game 83: 4 red, 4 blue, 3 green; 8 blue, 4 green, 6 red; 6 green, 7 blue, 6 red; 11 red, 6 green, 7 blue
+Game 84: 11 red, 2 green, 2 blue; 20 green, 2 blue, 13 red; 15 red, 6 green, 3 blue; 17 green, 7 red
+Game 85: 3 blue, 5 green, 2 red; 12 green, 2 blue, 1 red; 7 blue, 6 green, 5 red; 11 red, 2 blue, 17 green; 11 blue, 11 red, 17 green; 18 green, 9 red, 13 blue
+Game 86: 1 blue, 14 red; 4 green, 1 blue, 3 red; 2 green, 1 blue, 13 red; 1 green, 1 blue, 10 red
+Game 87: 2 red, 5 green, 4 blue; 3 blue, 9 red, 6 green; 7 blue, 9 red, 11 green; 10 green, 11 red, 9 blue; 7 green, 12 red, 4 blue; 5 blue, 1 red, 7 green
+Game 88: 11 red, 1 green; 9 blue, 4 green, 7 red; 10 red, 4 green, 1 blue; 4 green, 1 red, 1 blue; 10 blue, 1 red, 3 green; 2 green, 12 blue, 11 red
+Game 89: 3 green, 3 blue; 1 red, 7 green, 9 blue; 8 red, 11 blue, 11 green; 2 green, 6 blue, 5 red; 5 blue, 9 green
+Game 90: 3 blue, 10 red, 2 green; 2 blue; 8 red
+Game 91: 2 red, 10 green, 2 blue; 9 blue; 8 green, 5 red, 10 blue; 7 green, 6 blue, 5 red; 1 green, 6 red, 12 blue; 1 red, 4 green, 3 blue
+Game 92: 12 blue, 5 red, 2 green; 4 blue, 1 red, 3 green; 6 red, 6 blue; 1 blue, 8 red, 6 green; 6 blue, 3 red, 2 green; 7 green, 4 red, 1 blue
+Game 93: 3 blue; 8 blue; 3 blue, 2 red; 2 red, 1 green
+Game 94: 5 red, 7 blue, 6 green; 15 red, 7 blue, 4 green; 6 blue, 1 red, 2 green; 7 green, 4 blue, 17 red; 12 red, 5 green, 1 blue
+Game 95: 7 blue, 11 red, 9 green; 10 red, 6 blue, 7 green; 6 blue, 6 red, 7 green
+Game 96: 2 red, 1 green, 3 blue; 3 blue, 1 green; 1 green, 1 blue; 1 red, 1 blue; 1 green, 1 red, 4 blue
+Game 97: 6 red, 1 blue, 7 green; 2 blue, 5 red, 7 green; 8 red, 3 blue, 6 green; 6 green, 1 red, 3 blue; 5 red, 2 blue, 14 green; 3 green, 6 red, 6 blue
+Game 98: 9 red, 14 blue; 19 red, 4 blue; 11 red, 17 blue; 14 blue, 1 green, 18 red
+Game 99: 1 green, 1 red, 12 blue; 2 green, 4 red, 14 blue; 4 blue, 6 red; 10 red, 2 green, 1 blue
+Game 100: 5 red, 9 green, 2 blue; 9 blue, 6 green, 1 red; 8 blue, 7 green, 3 red
diff --git a/day-2/script.ts b/day-2/script.ts
new file mode 100644
index 0000000..4e29bbb
--- /dev/null
+++ b/day-2/script.ts
@@ -0,0 +1,52 @@
+import fs from "fs";
+
+const input = fs.readFileSync("./input.txt").toString();
+
+const COLORS = ["red", "green", "blue"] as const;
+type Color = (typeof COLORS)[number];
+
+type Draw = Record<Color, number>;
+
+interface Game {
+  id: number;
+  draws: Draw[];
+}
+
+function isPossible(
+  game: Game,
+  maxDraw: Draw = { red: 12, green: 13, blue: 14 },
+) {
+  return game.draws.reduce((acc, draw) => {
+    return (
+      acc &&
+      COLORS.every((color) => {
+        return draw[color] <= maxDraw[color];
+      })
+    );
+  }, true);
+}
+
+const result = input
+  .split("\n")
+  .slice(0, -1)
+  .map((line) => {
+    const [gameStr, drawsStr] = line.split(": ");
+    const id = Number(gameStr.slice("Game ".length));
+
+    const draws = drawsStr.split("; ").map((record) => {
+      const draws = record.split(", ").reduce(
+        (acc, draw) => {
+          const [number, color] = draw.split(" ");
+          acc[color] = Number(number);
+          return acc;
+        },
+        { red: 0, green: 0, blue: 0 },
+      );
+      return draws;
+    });
+    return { id, draws };
+  })
+  .filter((game) => isPossible(game))
+  .reduce((acc, game) => acc + game.id, 0);
+
+console.log({ result });