2022 day 10

README.md

@@ -0,0 +1,5 @@
+```
+bun install
+source ./aoc
+aoc
+```

aoc

@@ -22,7 +22,7 @@ exec_test() {
 exec_part() {
   local logfile="logs/out_$1.txt"
   bun run "part_$1.ts" | tee $logfile
-  echo $(cat $logfile | tail -n 1)
+  cat $logfile
 }
 
 get_aoc_problem_path() {
@@ -62,7 +62,7 @@ get_aoc_cookie() {
     echo "Please copy your Advent of Code cookie to the clipboard, then press Enter..."
     read -r
 
-    echo "$(pastecmd)" > "$AOCCOOKIE"
+    echo $($pastecmd) > "$AOCCOOKIE"
     echo "Cookie saved to $AOCCOOKIE"
   fi
   echo $(cat $AOCCOOKIE | tail -n 1)
@@ -79,6 +79,7 @@ aoc() {
     echo "+ aoc init <? year day>: initialize 'template/' to problem solution and"
     echo "  pull input to '$AOCINPUT' (today by default)"
     echo "+ aoc test <? year day>: run 'exec_test' in aoc problem (today by default)"
+    echo "+ aoc exec <1 | 2> <? year day>: get the output of an aoc problem without submission"
     echo "+ aoc submit <1 | 2> <? year day>: submit part one or part two to aoc problem (today by default)"
   fi
 
@@ -123,6 +124,18 @@ aoc() {
     exec_test
   fi
 
+  if [[ $1 == "exec" ]]; then
+    if [[ 4 == $argc ]]; then
+      year=$3
+      day=$4
+      curr=$(get_aoc_problem_path $year $day)
+    fi
+    cd $curr
+
+    local level=$2
+    exec_part $level
+  fi
+
   if [[ $1 == "submit" ]]; then
     if [[ 4 == $argc ]]; then
       year=$3

aoc_2022/day-10/example.test.ts

@@ -0,0 +1,167 @@
+import { expect, test } from "bun:test";
+import { main as part1 } from "./part_1";
+import { main as part2 } from "./part_2";
+
+const example = `addx 15
+addx -11
+addx 6
+addx -3
+addx 5
+addx -1
+addx -8
+addx 13
+addx 4
+noop
+addx -1
+addx 5
+addx -1
+addx 5
+addx -1
+addx 5
+addx -1
+addx 5
+addx -1
+addx -35
+addx 1
+addx 24
+addx -19
+addx 1
+addx 16
+addx -11
+noop
+noop
+addx 21
+addx -15
+noop
+noop
+addx -3
+addx 9
+addx 1
+addx -3
+addx 8
+addx 1
+addx 5
+noop
+noop
+noop
+noop
+noop
+addx -36
+noop
+addx 1
+addx 7
+noop
+noop
+noop
+addx 2
+addx 6
+noop
+noop
+noop
+noop
+noop
+addx 1
+noop
+noop
+addx 7
+addx 1
+noop
+addx -13
+addx 13
+addx 7
+noop
+addx 1
+addx -33
+noop
+noop
+noop
+addx 2
+noop
+noop
+noop
+addx 8
+noop
+addx -1
+addx 2
+addx 1
+noop
+addx 17
+addx -9
+addx 1
+addx 1
+addx -3
+addx 11
+noop
+noop
+addx 1
+noop
+addx 1
+noop
+noop
+addx -13
+addx -19
+addx 1
+addx 3
+addx 26
+addx -30
+addx 12
+addx -1
+addx 3
+addx 1
+noop
+noop
+noop
+addx -9
+addx 18
+addx 1
+addx 2
+noop
+noop
+addx 9
+noop
+noop
+noop
+addx -1
+addx 2
+addx -37
+addx 1
+addx 3
+noop
+addx 15
+addx -21
+addx 22
+addx -6
+addx 1
+noop
+addx 2
+addx 1
+noop
+addx -10
+noop
+noop
+addx 20
+addx 1
+addx 2
+addx 2
+addx -6
+addx -11
+noop
+noop
+noop`.split("\n");
+
+test("part1", async () => {
+  const answer = 13140;
+  const res = await part1(example);
+  expect(res).toEqual(answer);
+});
+
+test("part2", async () => {
+  const answer = `##..##..##..##..##..##..##..##..##..##..
+###...###...###...###...###...###...###.
+####....####....####....####....####....
+#####.....#####.....#####.....#####.....
+######......######......######......####
+#######.......#######.......#######.....`;
+  const res = await part2(example);
+  expect(res).toEqual(answer);
+});

aoc_2022/day-10/logs/out_1.txt

@@ -0,0 +1,7 @@
+=== COMPUTATION ===
+
+
+=== /COMPUTATION ===
+
+=== ANSWER TO P1 ===
+13760

aoc_2022/day-10/logs/out_2.txt

@@ -0,0 +1,12 @@
+=== COMPUTATION ===
+
+
+=== /COMPUTATION ===
+
+=== ANSWER TO P2 ===
+###..####.#..#.####..##..###..####.####.
+#..#.#....#.#.....#.#..#.#..#.#....#....
+#..#.###..##.....#..#....#..#.###..###..
+###..#....#.#...#...#....###..#....#....
+#.#..#....#.#..#....#..#.#....#....#....
+#..#.#....#..#.####..##..#....####.#....

aoc_2022/day-10/part_1.ts

@@ -0,0 +1,45 @@
+const cycles = (instruction: string): number => {
+  if (instruction === "noop") return 1;
+  if (instruction === "addx") return 2;
+  return 0;
+};
+
+export const main = async (lines: string[]): Promise<number | string> => {
+  const instructions = lines.map((line) => line.split(" "));
+  let signalStrength = 0;
+  let cycle = 0;
+  const registers = { x: 1 };
+
+  for (const [instruction, operand] of instructions) {
+    const instCycles = cycles(instruction);
+    for (let i = 0; i < instCycles; i++) {
+      cycle++;
+      if (cycle >= 20 && (cycle - 20) % 40 === 0) {
+        signalStrength += registers.x * cycle;
+      }
+    }
+
+    if (instruction === "addx") {
+      registers.x += parseInt(operand);
+    }
+  }
+  return signalStrength;
+};
+
+//
+
+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 P1 ===");
+  console.log(answer);
+}

aoc_2022/day-10/part_2.ts

@@ -0,0 +1,59 @@
+const cycles = (instruction: string): number => {
+  if (instruction === "noop") return 1;
+  if (instruction === "addx") return 2;
+  return 0;
+};
+
+export const main = async (lines: string[]): Promise<number | string> => {
+  const instructions = lines.map((line) => line.split(" "));
+  let signalStrength = 0;
+  let cycle = 0;
+  const registers = { x: 1 };
+  const dim = { width: 40, height: 6 };
+
+  const crt = Array(dim.width * dim.height).fill("");
+
+  for (const [instruction, operand] of instructions) {
+    const instCycles = cycles(instruction);
+    for (let i = 0; i < instCycles; i++) {
+      const crtx = cycle % dim.width;
+      crt[cycle] = [registers.x - 1, registers.x, registers.x + 1].includes(
+        crtx
+      )
+        ? "#"
+        : ".";
+
+      cycle++;
+      if (cycle >= 20 && (cycle - 20) % 40 === 0) {
+        signalStrength += registers.x * cycle;
+      }
+    }
+
+    if (instruction === "addx") {
+      registers.x += parseInt(operand);
+    }
+  }
+
+  return Array(dim.height)
+    .fill(null)
+    .map((_, i) => crt.slice(dim.width * i, dim.width * (i + 1)).join(""))
+    .join("\n");
+};
+
+//
+
+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);
+}

aoc_2022/day-10/problem.txt

@@ -0,0 +1,139 @@
+noop
+noop
+noop
+addx 5
+noop
+addx 1
+addx 2
+addx 5
+addx 2
+addx 1
+noop
+addx 5
+noop
+addx -1
+noop
+addx 5
+noop
+noop
+addx 5
+addx 1
+noop
+noop
+addx 3
+addx 2
+noop
+addx -38
+noop
+addx 3
+addx 2
+addx -5
+addx 12
+addx 2
+addx 27
+addx -40
+addx 19
+addx 2
+addx 19
+addx -18
+addx 2
+addx 5
+addx 2
+addx -23
+addx 22
+addx 4
+addx -34
+addx -1
+addx 5
+noop
+addx 2
+addx 1
+addx 20
+addx -17
+noop
+addx 25
+addx -17
+addx -2
+noop
+addx 3
+addx 19
+addx -12
+addx 3
+addx -2
+addx 3
+addx 1
+noop
+addx 5
+noop
+noop
+addx -37
+addx 3
+addx 4
+noop
+addx 24
+addx -6
+addx -15
+addx 2
+noop
+addx 6
+addx -2
+addx 6
+addx -12
+addx -2
+addx 19
+noop
+noop
+noop
+addx 3
+noop
+addx 7
+addx -2
+addx -24
+addx -11
+addx 4
+addx 3
+addx -2
+noop
+addx 7
+addx -2
+addx 2
+noop
+addx 3
+addx 7
+noop
+addx -2
+addx 5
+addx 2
+addx 5
+noop
+noop
+noop
+addx 3
+addx -35
+addx 35
+addx -21
+addx -14
+noop
+addx 5
+addx 2
+addx 33
+addx -7
+addx -23
+addx 5
+addx 2
+addx 1
+noop
+noop
+addx 5
+addx -1
+noop
+addx 3
+addx -23
+addx 30
+addx 1
+noop
+addx 4
+addx -17
+addx 11
+noop
+noop