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class TreeNode {constructor(data, depth) {this.data = data;this.children = [];this.depth = depth;}}function buildNaryTree(hosts) {const nodeMap = {};// Step 1: Create a map of nodes using fqdn as the keyhosts.forEach((host) => {nodeMap[host.fqdn] = new TreeNode(host, 0); // Initialize depth to 0});// Step 2: Iterate through the array and add each node to its parent's list of childrenhosts.forEach((host) => {if (host.displayParent) {if (nodeMap[host.displayParent]) {const parent = nodeMap[host.displayParent];const node = nodeMap[host.fqdn];node.depth = parent.depth + 1; // Update the depthparent.children.push(node);} else {console.error(`Parent with fqdn ${host.displayParent} not found for ${host.fqdn}`);}}});// Find the root nodes (nodes with no parent)const rootNodes = hosts.filter((host) => !host.displayParent).map((host) => nodeMap[host.fqdn]);return rootNodes;}function treeToObjects(node) {const result = [];function inOrder(node) {if (!node) {return;}// Visit the current node and add it to the resultresult.push(node.data);// Visit children nodes firstnode.children.forEach((child) => {inOrder(child);});}inOrder(node);return result;}// Usage exampleconst hosts = [{fqdn: 'fqdn_1',display_name: 'Host 1',},{fqdn: 'fqdn_2',display_name: 'Host 2',displayParent: 'fqdn_1',},{fqdn: 'fqdn_3',display_name: 'Host 3'},{fqdn: 'fqdn_4',display_name: 'Host 4',displayParent: 'fqdn_3',},{fqdn: 'fqdn_5',display_name: 'Host 5',displayParent: 'fqdn_1',},];const tree = buildNaryTree(hosts);// Function to convert the tree to an array of objectsfunction convertTreeToArray(nodes) {const result = [];nodes.forEach((node) => {result.push(...treeToObjects(node));});return result;}// Convert the tree back to an array of objectsconst arrayFromTree = convertTreeToArray(tree);console.log(arrayFromTree);
const binomialCoefficient = (n, k) => {if (Number.isNaN(n) || Number.isNaN(k)) return NaN;if (k < 0 || k > n) return 0;if (k === 0 || k === n) return 1;if (k === 1 || k === n - 1) return n;if (n - k < k) k = n - k;let res = n;for (let j = 2; j <= k; j++) res *= (n - j + 1) / j;return Math.round(res);};binomialCoefficient(8, 2); // 28
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const geometricProgression = (end, start = 1, step = 2) =>Array.from({length: Math.floor(Math.log(end / start) / Math.log(step)) + 1,}).map((_, i) => start * step ** i);geometricProgression(256); // [1, 2, 4, 8, 16, 32, 64, 128, 256]geometricProgression(256, 3); // [3, 6, 12, 24, 48, 96, 192]geometricProgression(256, 1, 4); // [1, 4, 16, 64, 256]
import React, { useState, useEffect } from 'react';import Link from 'next/link';export default function CookieBanner() {// Initialize with a default value (false if not previously set in localStorage)const [cookieConsent, setCookieConsent] = useState(() =>localStorage.getItem('cookieConsent') === 'true' ? true : false);useEffect(() => {const newCookieConsent = cookieConsent ? 'granted' : 'denied';window.gtag('consent', 'update', {analytics_storage: newCookieConsent});localStorage.setItem('cookieConsent', String(cookieConsent));}, [cookieConsent]);return !cookieConsent && (<div><div><p>We use cookies to enhance the user experience.{' '}<Link href='/privacy/'>View privacy policy</Link></p></div><div><button type="button" onClick={() => setCookieConsent(false)}>Decline</button><button type="button" onClick={() => setCookieConsent(true)}>Allow</button></div></div>)}
const levenshteinDistance = (s, t) => {if (!s.length) return t.length;if (!t.length) return s.length;const arr = [];for (let i = 0; i <= t.length; i++) {arr[i] = [i];for (let j = 1; j <= s.length; j++) {arr[i][j] =i === 0? j: Math.min(arr[i - 1][j] + 1,arr[i][j - 1] + 1,arr[i - 1][j - 1] + (s[j - 1] === t[i - 1] ? 0 : 1));}}return arr[t.length][s.length];};levenshteinDistance('duck', 'dark'); // 2