29 lines
638 B
JavaScript
29 lines
638 B
JavaScript
const fs = require('fs/promises');
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const main = async (filePath) => {
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const input = await fs.readFile(filePath, 'utf8');
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console.log("Input: ", input.slice(0,100));
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const elfTotals = input.split('\n\n').map(elfStr => sumArray(elfStr.split('\n')));
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console.log("elfTotals: ", elfTotals.slice(0, 5));
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elfTotals.sort((a,b) => b-a);
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console.log("Sorted elfTotals: ", elfTotals.slice(0, 5));
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return sumArray(elfTotals.slice(0,3));
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}
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const sumArray = array => array.reduce((a,b) => parseFloat(a) + parseFloat(b), 0);
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main("./input.txt").then(result => {
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console.log("Done!");
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console.log("Result: ", result);
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});
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