36 lines
710 B
JavaScript
36 lines
710 B
JavaScript
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const fs = require("fs");
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const file = "inputs/2";
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const fileContent = fs.readFileSync(file, "utf-8").trim();
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const reports = fileContent.split("\n");
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let safeCount = 0;
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for (const element of reports) {
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const arr = element.trim().split(" ");
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const numbers = arr.map(Number);
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const isIncreasing = numbers.every(
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(num, i) => i === 0 || num > numbers[i - 1],
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);
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const isDecreasing = numbers.every(
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(num, i) => i === 0 || num < numbers[i - 1],
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);
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if (!(isIncreasing || isDecreasing)) {
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continue;
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}
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const isValidJumps = numbers.every(
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(num, i) => i === 0 || Math.abs(num - numbers[i - 1]) <= 3,
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);
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if (isValidJumps) {
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safeCount += 1;
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}
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}
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console.log(safeCount)
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