solutions to day five

05/code.js

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+const fs = require('fs');
+
+const inputArray = fs.readFileSync('input.txt').toString().split("\n");
+
+// Part One
+
+/*
+                    [Q]     [P] [P]
+                [G] [V] [S] [Z] [F]
+            [W] [V] [F] [Z] [W] [Q]
+        [V] [T] [N] [J] [W] [B] [W]
+    [Z] [L] [V] [B] [C] [R] [N] [M]
+[C] [W] [R] [H] [H] [P] [T] [M] [B]
+[Q] [Q] [M] [Z] [Z] [N] [G] [G] [J]
+[B] [R] [B] [C] [D] [H] [D] [C] [N]
+ 1   2   3   4   5   6   7   8   9
+ */
+let stacks = [
+  ["C", "Q", "B"],
+  ["Z", "W", "Q", "R"],
+  ["V", "L", "R", "M", "B"],
+  ["W", "T", "V", "H", "Z", "C"],
+  ["G", "V", "N", "B", "H", "Z", "D"],
+  ["Q", "V", "F", "J", "C", "P", "N", "H"],
+  ["S", "Z", "W", "R", "T", "G", "D"],
+  ["P", "Z", "W", "B", "N", "M", "G", "C"],
+  ["P", "F", "Q", "W", "M", "B", "J", "N"],
+]
+for (i in inputArray) {
+  const contents = inputArray[i].split(" ");
+  if (contents[0] === 'move') {
+    const count = parseInt(contents[1]);
+    const source = parseInt(contents[3]) - 1;
+    const destination = parseInt(contents[5]) - 1;
+    for (let i = 0; i < count; i++) {
+      stacks[destination].unshift(stacks[source].shift());
+    }
+  }
+}
+
+let tops = "";
+for (i in stacks) {
+  tops += stacks[i][0];
+}
+
+console.log(tops);
+
+
+// Part Two
+
+stacks = [
+  ["C", "Q", "B"],
+  ["Z", "W", "Q", "R"],
+  ["V", "L", "R", "M", "B"],
+  ["W", "T", "V", "H", "Z", "C"],
+  ["G", "V", "N", "B", "H", "Z", "D"],
+  ["Q", "V", "F", "J", "C", "P", "N", "H"],
+  ["S", "Z", "W", "R", "T", "G", "D"],
+  ["P", "Z", "W", "B", "N", "M", "G", "C"],
+  ["P", "F", "Q", "W", "M", "B", "J", "N"],
+]
+for (i in inputArray) {
+  const contents = inputArray[i].split(" ");
+  if (contents[0] === 'move') {
+    const count = parseInt(contents[1]);
+    const source = parseInt(contents[3]) - 1;
+    const destination = parseInt(contents[5]) - 1;
+    const moved = [];
+    for (let i = 0; i < count; i++) {
+      moved.push(stacks[source].shift());
+    }
+    stacks[destination].unshift(...moved);
+  }
+}
+
+tops = "";
+for (i in stacks) {
+  tops += stacks[i][0];
+}
+
+console.log(tops);
+
+// functions
+

05/input.txt

@@ -0,0 +1,514 @@
+                    [Q]     [P] [P]
+                [G] [V] [S] [Z] [F]
+            [W] [V] [F] [Z] [W] [Q]
+        [V] [T] [N] [J] [W] [B] [W]
+    [Z] [L] [V] [B] [C] [R] [N] [M]
+[C] [W] [R] [H] [H] [P] [T] [M] [B]
+[Q] [Q] [M] [Z] [Z] [N] [G] [G] [J]
+[B] [R] [B] [C] [D] [H] [D] [C] [N]
+ 1   2   3   4   5   6   7   8   9
+
+move 3 from 6 to 2
+move 5 from 6 to 7
+move 6 from 2 to 5
+move 1 from 9 to 7
+move 1 from 1 to 9
+move 1 from 5 to 3
+move 1 from 2 to 5
+move 3 from 4 to 5
+move 10 from 7 to 3
+move 1 from 4 to 9
+move 6 from 8 to 7
+move 4 from 7 to 8
+move 1 from 7 to 3
+move 1 from 1 to 2
+move 1 from 2 to 8
+move 1 from 9 to 1
+move 3 from 9 to 4
+move 4 from 8 to 3
+move 4 from 7 to 1
+move 4 from 4 to 6
+move 2 from 8 to 7
+move 9 from 3 to 8
+move 2 from 7 to 4
+move 3 from 4 to 9
+move 4 from 1 to 9
+move 4 from 3 to 9
+move 2 from 1 to 4
+move 1 from 4 to 6
+move 3 from 3 to 2
+move 1 from 2 to 8
+move 1 from 2 to 7
+move 3 from 6 to 2
+move 2 from 6 to 7
+move 4 from 2 to 3
+move 3 from 7 to 9
+move 2 from 5 to 6
+move 15 from 9 to 4
+move 4 from 9 to 2
+move 12 from 5 to 4
+move 9 from 8 to 5
+move 25 from 4 to 7
+move 1 from 4 to 7
+move 1 from 4 to 8
+move 2 from 2 to 5
+move 1 from 4 to 2
+move 23 from 7 to 6
+move 2 from 5 to 2
+move 22 from 6 to 8
+move 4 from 5 to 9
+move 1 from 7 to 9
+move 2 from 6 to 4
+move 2 from 4 to 7
+move 25 from 8 to 3
+move 1 from 2 to 1
+move 3 from 2 to 3
+move 1 from 6 to 8
+move 1 from 1 to 8
+move 1 from 2 to 8
+move 1 from 8 to 1
+move 4 from 5 to 7
+move 1 from 8 to 4
+move 5 from 9 to 8
+move 5 from 8 to 9
+move 1 from 8 to 5
+move 3 from 5 to 4
+move 3 from 9 to 1
+move 30 from 3 to 4
+move 3 from 1 to 4
+move 2 from 9 to 5
+move 4 from 7 to 9
+move 16 from 4 to 8
+move 6 from 3 to 9
+move 3 from 7 to 3
+move 19 from 4 to 7
+move 8 from 9 to 4
+move 1 from 1 to 9
+move 13 from 7 to 9
+move 3 from 7 to 8
+move 3 from 5 to 9
+move 4 from 8 to 3
+move 2 from 7 to 3
+move 14 from 9 to 4
+move 10 from 3 to 1
+move 12 from 4 to 8
+move 6 from 1 to 9
+move 1 from 1 to 2
+move 1 from 7 to 1
+move 6 from 9 to 3
+move 17 from 8 to 6
+move 10 from 8 to 5
+move 1 from 7 to 8
+move 1 from 9 to 5
+move 2 from 3 to 1
+move 4 from 5 to 9
+move 1 from 8 to 7
+move 6 from 9 to 7
+move 4 from 4 to 2
+move 3 from 4 to 6
+move 4 from 5 to 9
+move 4 from 9 to 3
+move 1 from 2 to 4
+move 4 from 4 to 7
+move 3 from 5 to 3
+move 1 from 4 to 5
+move 5 from 1 to 2
+move 1 from 1 to 9
+move 7 from 2 to 7
+move 1 from 5 to 7
+move 8 from 3 to 5
+move 20 from 6 to 7
+move 9 from 7 to 9
+move 2 from 2 to 9
+move 2 from 3 to 1
+move 2 from 1 to 3
+move 2 from 3 to 4
+move 2 from 4 to 6
+move 1 from 3 to 9
+move 1 from 4 to 9
+move 1 from 6 to 9
+move 2 from 5 to 8
+move 2 from 8 to 5
+move 1 from 6 to 7
+move 2 from 5 to 8
+move 6 from 9 to 5
+move 2 from 8 to 6
+move 11 from 9 to 2
+move 1 from 6 to 5
+move 11 from 2 to 5
+move 1 from 6 to 4
+move 7 from 5 to 9
+move 7 from 9 to 1
+move 1 from 4 to 9
+move 28 from 7 to 5
+move 1 from 7 to 5
+move 5 from 5 to 9
+move 5 from 9 to 3
+move 6 from 1 to 8
+move 1 from 1 to 7
+move 5 from 3 to 2
+move 1 from 7 to 8
+move 7 from 8 to 1
+move 1 from 9 to 4
+move 2 from 2 to 5
+move 22 from 5 to 3
+move 1 from 7 to 8
+move 1 from 4 to 7
+move 1 from 8 to 9
+move 1 from 9 to 4
+move 14 from 5 to 7
+move 5 from 5 to 9
+move 19 from 3 to 4
+move 1 from 2 to 9
+move 2 from 2 to 5
+move 1 from 5 to 1
+move 6 from 1 to 7
+move 2 from 7 to 6
+move 1 from 1 to 9
+move 2 from 5 to 8
+move 8 from 4 to 5
+move 3 from 4 to 7
+move 3 from 3 to 5
+move 2 from 8 to 9
+move 16 from 7 to 5
+move 9 from 4 to 6
+move 22 from 5 to 3
+move 1 from 5 to 8
+move 1 from 8 to 7
+move 10 from 3 to 4
+move 1 from 5 to 4
+move 10 from 4 to 5
+move 8 from 5 to 2
+move 5 from 2 to 7
+move 5 from 7 to 1
+move 4 from 7 to 6
+move 3 from 9 to 7
+move 2 from 2 to 3
+move 3 from 5 to 1
+move 6 from 9 to 7
+move 5 from 7 to 8
+move 6 from 1 to 5
+move 6 from 3 to 4
+move 4 from 4 to 2
+move 1 from 4 to 6
+move 5 from 8 to 7
+move 3 from 2 to 3
+move 1 from 1 to 4
+move 1 from 1 to 9
+move 2 from 2 to 1
+move 2 from 4 to 3
+move 4 from 3 to 7
+move 3 from 7 to 3
+move 13 from 6 to 1
+move 1 from 9 to 2
+move 6 from 3 to 5
+move 8 from 1 to 4
+move 1 from 2 to 7
+move 9 from 4 to 9
+move 7 from 5 to 1
+move 2 from 5 to 6
+move 1 from 1 to 4
+move 1 from 4 to 3
+move 2 from 1 to 2
+move 5 from 3 to 6
+move 2 from 6 to 1
+move 13 from 7 to 6
+move 2 from 3 to 4
+move 2 from 2 to 9
+move 2 from 7 to 8
+move 6 from 9 to 2
+move 1 from 9 to 3
+move 1 from 5 to 2
+move 7 from 1 to 2
+move 1 from 6 to 7
+move 1 from 4 to 8
+move 1 from 3 to 1
+move 1 from 7 to 8
+move 7 from 1 to 9
+move 4 from 8 to 6
+move 1 from 5 to 3
+move 9 from 9 to 5
+move 1 from 1 to 2
+move 14 from 2 to 7
+move 2 from 9 to 3
+move 13 from 5 to 3
+move 24 from 6 to 9
+move 6 from 3 to 5
+move 14 from 7 to 9
+move 1 from 4 to 1
+move 20 from 9 to 7
+move 9 from 3 to 8
+move 15 from 9 to 6
+move 1 from 5 to 8
+move 1 from 2 to 3
+move 14 from 6 to 3
+move 2 from 3 to 4
+move 2 from 3 to 6
+move 13 from 7 to 1
+move 8 from 3 to 5
+move 1 from 3 to 9
+move 8 from 5 to 4
+move 4 from 5 to 2
+move 10 from 1 to 3
+move 6 from 4 to 5
+move 4 from 5 to 1
+move 3 from 1 to 6
+move 7 from 8 to 2
+move 4 from 4 to 3
+move 13 from 3 to 6
+move 3 from 8 to 1
+move 3 from 7 to 8
+move 3 from 8 to 4
+move 1 from 4 to 2
+move 2 from 3 to 4
+move 1 from 5 to 7
+move 4 from 7 to 1
+move 2 from 3 to 5
+move 3 from 2 to 1
+move 1 from 4 to 7
+move 7 from 2 to 4
+move 2 from 4 to 3
+move 1 from 7 to 5
+move 4 from 9 to 5
+move 1 from 4 to 2
+move 3 from 2 to 9
+move 8 from 1 to 7
+move 1 from 3 to 5
+move 7 from 5 to 7
+move 10 from 6 to 4
+move 1 from 5 to 1
+move 4 from 1 to 3
+move 9 from 7 to 6
+move 3 from 1 to 8
+move 12 from 4 to 6
+move 5 from 4 to 6
+move 2 from 9 to 3
+move 3 from 8 to 7
+move 1 from 1 to 3
+move 3 from 7 to 8
+move 5 from 7 to 5
+move 1 from 7 to 5
+move 2 from 3 to 1
+move 2 from 8 to 7
+move 3 from 5 to 1
+move 1 from 9 to 7
+move 1 from 8 to 3
+move 4 from 7 to 8
+move 4 from 5 to 9
+move 4 from 1 to 7
+move 3 from 8 to 6
+move 1 from 8 to 1
+move 1 from 7 to 1
+move 1 from 5 to 8
+move 1 from 8 to 7
+move 7 from 3 to 1
+move 3 from 9 to 1
+move 1 from 9 to 3
+move 28 from 6 to 3
+move 3 from 7 to 8
+move 2 from 8 to 2
+move 1 from 2 to 7
+move 2 from 6 to 1
+move 18 from 3 to 9
+move 5 from 3 to 4
+move 2 from 7 to 4
+move 2 from 1 to 8
+move 1 from 2 to 6
+move 7 from 6 to 4
+move 4 from 4 to 3
+move 3 from 8 to 1
+move 4 from 9 to 8
+move 1 from 4 to 8
+move 9 from 1 to 6
+move 5 from 1 to 3
+move 4 from 6 to 7
+move 7 from 6 to 3
+move 5 from 8 to 1
+move 12 from 3 to 6
+move 7 from 6 to 4
+move 4 from 3 to 5
+move 5 from 6 to 7
+move 12 from 4 to 3
+move 6 from 1 to 4
+move 4 from 4 to 2
+move 14 from 9 to 8
+move 17 from 3 to 2
+move 5 from 4 to 9
+move 1 from 9 to 6
+move 5 from 2 to 1
+move 1 from 9 to 8
+move 5 from 1 to 6
+move 2 from 2 to 6
+move 12 from 2 to 4
+move 6 from 7 to 2
+move 3 from 7 to 6
+move 3 from 9 to 8
+move 5 from 4 to 7
+move 4 from 2 to 6
+move 3 from 6 to 8
+move 5 from 8 to 2
+move 7 from 6 to 8
+move 1 from 7 to 3
+move 6 from 4 to 3
+move 1 from 8 to 1
+move 1 from 5 to 7
+move 2 from 6 to 8
+move 13 from 8 to 2
+move 3 from 5 to 4
+move 1 from 1 to 2
+move 3 from 6 to 2
+move 1 from 1 to 4
+move 4 from 4 to 8
+move 8 from 3 to 1
+move 2 from 4 to 8
+move 15 from 2 to 4
+move 16 from 8 to 3
+move 1 from 8 to 6
+move 1 from 7 to 2
+move 8 from 1 to 2
+move 1 from 6 to 8
+move 6 from 3 to 1
+move 3 from 3 to 8
+move 6 from 3 to 1
+move 6 from 2 to 9
+move 2 from 1 to 4
+move 1 from 8 to 5
+move 8 from 2 to 9
+move 8 from 1 to 4
+move 3 from 8 to 6
+move 21 from 4 to 7
+move 1 from 9 to 7
+move 2 from 6 to 8
+move 1 from 5 to 1
+move 1 from 3 to 9
+move 8 from 9 to 4
+move 1 from 1 to 7
+move 1 from 1 to 4
+move 1 from 6 to 8
+move 1 from 9 to 3
+move 2 from 9 to 5
+move 2 from 5 to 3
+move 1 from 9 to 4
+move 3 from 8 to 2
+move 1 from 1 to 4
+move 4 from 4 to 9
+move 3 from 3 to 2
+move 5 from 9 to 1
+move 17 from 7 to 1
+move 1 from 9 to 1
+move 2 from 2 to 4
+move 1 from 4 to 2
+move 8 from 2 to 9
+move 5 from 4 to 5
+move 6 from 4 to 8
+move 20 from 1 to 6
+move 2 from 9 to 8
+move 1 from 2 to 9
+move 2 from 8 to 7
+move 8 from 7 to 8
+move 4 from 5 to 9
+move 14 from 8 to 7
+move 1 from 5 to 7
+move 7 from 9 to 1
+move 3 from 6 to 4
+move 3 from 9 to 7
+move 12 from 6 to 7
+move 22 from 7 to 9
+move 2 from 2 to 5
+move 10 from 1 to 7
+move 1 from 4 to 1
+move 2 from 6 to 1
+move 1 from 1 to 3
+move 2 from 4 to 8
+move 2 from 8 to 6
+move 1 from 3 to 8
+move 1 from 4 to 1
+move 2 from 5 to 3
+move 1 from 8 to 4
+move 2 from 3 to 7
+move 19 from 9 to 7
+move 1 from 1 to 4
+move 2 from 9 to 1
+move 2 from 1 to 6
+move 1 from 6 to 5
+move 42 from 7 to 8
+move 1 from 7 to 6
+move 2 from 4 to 8
+move 7 from 6 to 8
+move 2 from 1 to 5
+move 2 from 9 to 5
+move 14 from 8 to 3
+move 22 from 8 to 2
+move 3 from 5 to 6
+move 10 from 8 to 6
+move 5 from 8 to 9
+move 12 from 6 to 7
+move 2 from 5 to 1
+move 5 from 3 to 2
+move 7 from 3 to 5
+move 2 from 5 to 1
+move 2 from 3 to 7
+move 4 from 1 to 2
+move 1 from 5 to 7
+move 1 from 5 to 4
+move 1 from 6 to 2
+move 1 from 9 to 2
+move 9 from 7 to 3
+move 1 from 4 to 1
+move 3 from 7 to 5
+move 4 from 3 to 2
+move 5 from 2 to 3
+move 2 from 5 to 2
+move 34 from 2 to 9
+move 1 from 1 to 5
+move 15 from 9 to 3
+move 2 from 3 to 2
+move 1 from 5 to 4
+move 7 from 3 to 8
+move 3 from 9 to 2
+move 6 from 9 to 4
+move 5 from 9 to 3
+move 4 from 4 to 6
+move 1 from 6 to 8
+move 1 from 3 to 5
+move 6 from 3 to 2
+move 1 from 4 to 9
+move 2 from 4 to 2
+move 4 from 5 to 8
+move 1 from 5 to 6
+move 1 from 7 to 6
+move 1 from 9 to 6
+move 1 from 7 to 2
+move 12 from 8 to 7
+move 2 from 7 to 3
+move 4 from 6 to 9
+move 7 from 9 to 4
+move 9 from 3 to 9
+move 11 from 7 to 4
+move 3 from 9 to 6
+move 1 from 4 to 1
+move 15 from 4 to 3
+move 2 from 4 to 1
+move 3 from 1 to 4
+move 17 from 3 to 7
+move 4 from 3 to 7
+move 7 from 9 to 2
+move 3 from 4 to 1
+move 4 from 6 to 9
+move 1 from 9 to 6
+move 1 from 3 to 1
+move 5 from 7 to 9
+move 8 from 9 to 4
+move 1 from 1 to 6
+move 6 from 4 to 9
+move 4 from 2 to 3
+move 1 from 4 to 3
+move 1 from 4 to 9
+move 1 from 1 to 7
+move 1 from 7 to 9
+move 3 from 6 to 2
+move 9 from 2 to 3
+move 1 from 9 to 4
+move 1 from 1 to 5
+move 12 from 7 to 6
+move 4 from 9 to 8