Initial commit

02/code.js

@@ -0,0 +1,83 @@
+const fs = require('fs');
+
+// const inputArray = fs.readFileSync('sample.txt').toString().split("\n");
+const inputArray = fs.readFileSync('input.txt').toString().split("\n");
+
+let redMax = 0;
+let greenMax = 0;
+let blueMax = 0;
+
+// Part One
+
+redMax  = 12;
+greenMax = 13;
+blueMax = 14;
+
+const possibleGames = [];
+
+for (i in inputArray) {
+  let possible = true;
+
+  const contents = inputArray[i].split(":");
+  const gameID = parseInt(contents[0].split(" ")[1]);
+  const draws = contents[1].split(";");
+  for (d in draws) {
+    const cubes = draws[d].split(",");
+    for (c in cubes) {
+      const parts = cubes[c].trim().split(" ");
+      const val = parseInt(parts[0]);
+      const color = parts[1];
+      if (color === "red" && val > redMax) {
+        possible = false;
+      } else if (color === "green" && val > greenMax) {
+        possible = false;
+      } else if (color === "blue" && val > blueMax) {
+        possible = false;
+      }
+    }
+  }
+
+  if (possible) {
+    possibleGames.push(gameID);
+  }
+
+}
+
+console.log(possibleGames.reduce((a, b) => a + b, 0));
+
+
+// Part Two
+
+const powers = [];
+
+for (i in inputArray) {
+  redMax  = 0;
+  greenMax = 0;
+  blueMax = 0;
+
+  const contents = inputArray[i].split(":");
+  const draws = contents[1].split(";");
+  for (d in draws) {
+    const cubes = draws[d].split(",");
+    for (c in cubes) {
+      const parts = cubes[c].trim().split(" ");
+      const val = parseInt(parts[0]);
+      const color = parts[1];
+      if (color === "red" && val > redMax) {
+        redMax = val;
+      } else if (color === "green" && val > greenMax) {
+        greenMax = val;
+      } else if (color === "blue" && val > blueMax) {
+        blueMax = val;
+      }
+    }
+  }
+
+  powers.push(redMax * greenMax * blueMax);
+
+}
+
+console.log(powers.reduce((a, b) => a + b, 0));
+
+// functions
+