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part 1 day 10
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‎day10/input.txt‎

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‎day10/program.js‎

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const fs = require('fs');
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const data = fs.readFileSync('./input.txt', 'utf-8');
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let adapters = data.split("\n");
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adapters.forEach((a, i) => {
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adapters[i] = parseInt(a);
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});
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findAdapterJumps(adapters);
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function findAdapterJumps(items) {
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items.sort((a,b) => { return a > b ? 1 : -1});
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let jump1 = 0;
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let jump3 = 1;
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let currentCharge = 0;
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items.forEach(i => {
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if (i - currentCharge === 1) jump1++;
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if (i - currentCharge === 3) jump3++;
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currentCharge = i;
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});
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console.log(jump1, jump3, 'answer part 1: ', jump1 * jump3);
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}

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