22 lines
565 B
JavaScript
22 lines
565 B
JavaScript
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const fs = require('fs/promises');
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(async () => {
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const input = await fs.readFile("./input.txt", 'utf8');
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const simplified = input.replace(/noop/g, '0').replace(/addx (.*)/g, '0\n$1').split("\n").map(s => parseFloat(s));
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const cycleValues = simplified.reduce((vals, change, i) => {
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vals.push(vals[i] + change);
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return vals;
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}, [1]);
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console.log(cycleValues);
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while(cycleValues.length) {
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const row = cycleValues.splice(0, 40);
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console.log(row.map((pos, i) =>
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pos >= i - 1 && pos <= i + 1 ? "X" : "."
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).join(""))
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}
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})();
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