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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>)}
/*** @param {number[]} nums* @param {number} target* @return {number[]}*/var twoSum = function(nums, target) {for(let i = 0; i < nums.length; i++) {for(let j = 0; j < nums.length; j++) {if(nums[i] + nums[j] === target && i !== j) {return [i, j]}}}};
let nums = [1,2,3,1]var containsDuplicate = function(nums) {let obj = {};for(let i =0; i< nums.length; i++){if(obj[nums[i]]){obj[nums[i]] += 1;return true;}else{obj[nums[i]] = 1;}}return false;};console.log(containsDuplicate(nums));
arr = [] // empty arrayconst isEmpty = arr => !Array.isArray(arr) || arr.length === 0;// ExamplesisEmpty([]); // trueisEmpty([1, 2, 3]); // false
const gcd = (...arr) => {const _gcd = (x, y) => (!y ? x : gcd(y, x % y));return [...arr].reduce((a, b) => _gcd(a, b));};gcd(8, 36); // 4gcd(...[12, 8, 32]); // 4
//QM Helper by Leif Messinger//Groups numbers by number of bits and shows their binary representations.//To be used on x.comconst minterms = prompt("Enter your minterms separated by commas").split(",").map(x => parseInt(x.trim()));const maxNumBits = minterms.reduce(function(a, b) {return Math.max(a, Math.log2(b));});const bitGroups = [];for(let i = 0; i < maxNumBits; ++i){bitGroups.push([]);}for(const minterm of minterms){let outputString = (minterm+" ");//Count the bitslet count = 0;for (var i = maxNumBits; i >= 0; --i) {if((minterm >> i) & 1){++count;outputString += "1";}else{outputString += "0";}}bitGroups[count].push(outputString);}document.body.textContent = "";document.body.style.setProperty("white-space", "pre");for(const group of bitGroups){for(const outputString of group){document.body.textContent += outputString + "\r\n";}}