36 lines
774 B
JavaScript
36 lines
774 B
JavaScript
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const fs = require('fs');
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const inputArray = fs.readFileSync('input.txt').toString().split(",").map(Number);
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const min = Math.min(...inputArray);
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const max = Math.max(...inputArray);
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// Day One
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let fuel = max * max;
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for (let i = min; i <= max; i++) {
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let thisFuel = 0;
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for (const crab of inputArray) {
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thisFuel = thisFuel + Math.abs(i - crab);
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}
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if (thisFuel < fuel) {
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fuel = thisFuel;
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}
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}
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console.log(fuel)
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// Day Two
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fuel = max * max * max * max;
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for (let i = min; i <= max; i++) {
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let thisFuel = 0;
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for (const crab of inputArray) {
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const steps = Array.from({length: Math.abs(i - crab)}, (_, n) => n + 1);
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thisFuel = thisFuel + steps.reduce((a, b) => a + b, 0);
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}
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if (thisFuel < fuel) {
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fuel = thisFuel;
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}
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}
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console.log(fuel)
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