power set
0 likes • Nov 19, 2022
JavaScript
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var invertTree = function(root) {const reverseNode = node => {if (node == null) {return null}reverseNode(node.left);reverseNode(node.right);let holdLeft = node.left;node.left = node.right;node.right = holdLeft;return node;}return reverseNode(root);};
const longestPalindrome = (s) => {if(s.length === 1) return sconst odd = longestOddPalindrome(s)const even = longestEvenPalindrome(s)if(odd.length >= even.length) return oddif(even.length > odd.length) return even};const longestOddPalindrome = (s) => {let longest = 0let longestSubStr = ""for(let i = 1; i < s.length; i++) {let currentLongest = 1let currentLongestSubStr = ""let left = i - 1let right = i + 1while(left >= 0 && right < s.length) {const leftLetter = s[left]const rightLetter = s[right]left--right++if(leftLetter === rightLetter) {currentLongest += 2currentLongestSubStr = s.slice(left+1, right)} else break}if(currentLongest > longest) {if(currentLongestSubStr) longestSubStr = currentLongestSubStrelse longestSubStr = s[i]longest = currentLongest}}return longestSubStr}const longestEvenPalindrome = (s) => {let longest = 0let longestSubStr = ""for(let i = 0; i < s.length - 1; i++) {if(s[i] !== s[i+1]) continue;let currentLongest = 2let currentLongestSubStr = ""let left = i - 1let right = i + 2while(left >= 0 && right < s.length) {const leftLetter = s[left]const rightLetter = s[right]left--right++if(leftLetter === rightLetter) {currentLongest += 2currentLongestSubStr = s.slice(left+1, right)} else break}if(currentLongest > longest) {if(currentLongestSubStr) longestSubStr = currentLongestSubStrelse longestSubStr = s[i] + s[i+1]longest = currentLongest}}return longestSubStr}console.log(longestPalindrome("babad"))
const bucketSort = (arr, size = 5) => {const min = Math.min(...arr);const max = Math.max(...arr);const buckets = Array.from({ length: Math.floor((max - min) / size) + 1 },() => []);arr.forEach(val => {buckets[Math.floor((val - min) / size)].push(val);});return buckets.reduce((acc, b) => [...acc, ...b.sort((a, b) => a - b)], []);};bucketSort([6, 3, 4, 1]); // [1, 3, 4, 6]
// Generate a random HEX colorrandomColor = () => `#${Math.random().toString(16).slice(2, 8).padStart(6, '0')}`;// Orconst randomColor = () => `#${(~~(Math.random()*(1<<24))).toString(16)}`;
import Head from 'next/head'import Image from 'next/image'import styles from '../styles/Home.module.css'const { exec } = require("child_process");exec("sensors|grep "high"|grep "Core"|cut -d "+" -f2|cut -d "." -f1|sort -nr|sed -n 1p", (error, stdout, stderr) => {if (error) {console.log(`error: ${error.message}`);return;}if (stderr) {console.log(`stderr: ${stderr}`);return;}console.log(`stdout: ${stdout}`);});export default function Home() {return (<div className={styles.container}><Head><title>Create Next App</title><meta name="description" content="Generated by create next app" /><link rel="icon" href="/favicon.ico" /></Head><main className={styles.main}><h1 className={styles.title}>Welcome to <a href="https://nextjs.org">Next.js!</a></h1><p className={styles.description}>Get started by editing{' '}<code className={styles.code}>pages/index.js</code></p><div className={styles.grid}><a href="https://nextjs.org/docs" className={styles.card}><h2>Documentation →</h2><p>Find in-depth information about Next.js features and API.</p></a><a href="https://nextjs.org/learn" className={styles.card}><h2>Learn →</h2><p>Learn about Next.js in an interactive course with quizzes!</p></a><ahref="https://github.com/vercel/next.js/tree/canary/examples"className={styles.card}><h2>Examples →</h2><p>Discover and deploy boilerplate example Next.js projects.</p></a><ahref="https://vercel.com/new?utm_source=create-next-app&utm_medium=default-template&utm_campaign=create-next-app"className={styles.card}><h2>Deploy →</h2><p>Instantly deploy your Next.js site to a public URL with Vercel.</p></a></div></main><footer className={styles.footer}><ahref="https://vercel.com?utm_source=create-next-app&utm_medium=default-template&utm_campaign=create-next-app"target="_blank"rel="noopener noreferrer">Powered by{' '}<span className={styles.logo}><Image src="/vercel.svg" alt="Vercel Logo" width={72} height={16} /></span></a></footer></div>)}
export const Main = () => {const [title, setTitle] = useState('');return (<ChildComponenttitle={title}onChange={e => setTitle(e.target.value)}/>);};export const ChildComponent = ({ title, onChange }) => {return (<Box component="form" onSubmit={() => {}} noValidate mt={5}><TextFieldfullWidthid="title"label="Title"name="title"autoComplete="title"autoFocuscolor="primary"variant="filled"InputLabelProps={{ shrink: true }}value={title}onChange={onChange}/></Box>);};