d5p1

src/2022/day5/index.ts

@@ -0,0 +1,32 @@
+import path from 'path';
+import { readFile, sum } from "../../utils";
+
+let input = readFile(path.resolve(__dirname, 'input.txt'));
+
+let start, elapsed;
+
+
+start = process.hrtime.bigint();
+
+const [stack, rules] = input.split('\n\n').map(entry => entry.split('\n'))
+
+let stackInput = stack[stack.length - 1].split('  ').map(idx => idx.split(" ").join("")).map(idx => []);
+const indexes = stackInput.map((arr, idx) => stack[stack.length - 1].indexOf(idx + 1).toString()).map(Number);
+
+for (let idx = stack.length - 2; idx >= 0; idx--) {
+    for (let idx2 = 0; idx2 < indexes.length; idx2++) {
+        const char = stack[idx][indexes[idx2]];
+        if (char !== ' ') stackInput[idx2].push(char);
+    }
+}
+
+for (let idx = 0; idx < rules.length; idx++) {
+    const [move, from, to] = rules[idx].split(' ').filter(el => !isNaN(Number(el))).map(Number);
+    for (let num = 0; num < move; num++)  stackInput[to - 1].push(stackInput[from - 1].pop());
+}
+
+const part1 = stackInput.map(buck => buck[buck.length - 1]).join("");
+
+console.log("Part1:", part1);
+
+elapsed = process.hrtime.bigint() - start;