The avatar for @jwolondon
Jo Wood
Professor of Visual Analytics interested in design, geovisualization, visual storytelling and computational thinking.
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Ξ🎄Advent of Code 2022
Edited
Dec 2, 2024
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Fork of Advent of Code: 2022 Day 1
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Ξ🎄Advent of Code 2022
Advent of Code: 2022 Day 1Advent of Code: 2022 Day 2Advent of Code: 2022 Day 3Advent of Code: 2022 Day 4Advent of Code: 2022 Day 5Advent of Code: 2022 Day 6Advent of Code: 2022 Day 7Advent of Code: 2022 Day 8Advent of Code: 2022 Day 9
Advent of Code: 2022 Day 10
Advent of Code: 2022 Day 11Advent of Code: 2022 Day 12Advent of Code: 2022 Day 13Advent of Code: 2022 Day 14Advent of Code: 2022 Day 15Advent of Code: 2022 Day 16Advent of Code: 2022 Day 18Advent of Code: 2022 Day 20Advent of Code: 2022 Day 21Advent of Code: 2022 Day 22Advent of Code: 2022 Day 23Advent of Code: 2022 Day 24Advent of Code: 2022 Day 25
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function regHistory(input) {
const execCmd = (cmd, [reg, i]) => {
const [op, val] = cmd.split(" ");
if (op === "noop") {
reg[i + 1] = reg[i];
return [reg, i + 1];
}
reg[i + 1] = reg[i];
reg[i + 2] = reg[i] + Number(val);
return [reg, i + 2];
};

const [history, i] = input
.split("\n")
.reduce(([reg, i], cmd) => execCmd(cmd, [reg, i]), [[1, 1], 1]);
return history;
}
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function part1(input) {
const reg = regHistory(input);
return AOC.sum([20, 60, 100, 140, 180, 220].map((t) => reg[t] * t));
}
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function draw(reg) {
const crt = AOC.gInit(6, 40, " ");
for (let t = 1; t <= 240; t++) {
const [row, col] = [Math.floor((t - 1) / 40), (t - 1) % 40];
if (Math.abs(col - reg[t]) <= 1) {
crt[row][col] = "█";
}
}
return crt.map((row) => row.join("")).join("\n");
}
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```
${draw(regHistory(puzzleInput))}
```
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Type JavaScript, then Shift-Enter. Ctrl-space for more options. Arrow ↑/↓ to switch modes.

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