30 lines
642 B
JavaScript
30 lines
642 B
JavaScript
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const fs = require('fs');
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const data = fs.readFileSync("input.txt", "utf8").split("\n");
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const width = data[0].length;
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const result = data
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.reduce((acc, val) => {
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for (let c = 0; c < width; c++) {
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if (val.charAt(c) === '1') {
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acc[c] += 1;
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}
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}
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return acc;
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}, Array(width).fill(0))
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.map(x => x > (data.length - 1) / 2)
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.reduce((acc, val, index) => {
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if (val) {
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acc += Math.pow(2, (width - index - 1));
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}
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return acc;
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}, 0);
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const epsilon = result;
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const gamma = ~result & ~(-1 << width);
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console.log(epsilon * gamma);
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