24 lines
539 B
JavaScript
24 lines
539 B
JavaScript
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const fs = require('fs/promises');
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const sum = (arr) => arr.reduce((total, num) => total+num, 0);
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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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simplified.unshift(1);
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const targets = [20, 60, 100, 140, 180, 220];
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const cycles = targets.map(t => simplified.slice(0, t));
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console.log(cycles);
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const total = sum(cycles.map(c => sum(c) * c.length));
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console.log(total);
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})();
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