• Mar 22, 2022 •LeifMessinger
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//QM Helper by Leif Messinger //Groups numbers by number of bits and shows their binary representations. //To be used on x.com const 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 bits let 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"; } }
• Nov 19, 2022 •CodeCatch
//JavaScript program to swap two variables //take input from the users let a = prompt('Enter the first variable: '); let b = prompt('Enter the second variable: '); // XOR operator a = a ^ b b = a ^ b a = a ^ b console.log(`The value of a after swapping: ${a}`); console.log(`The value of b after swapping: ${b}`);
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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
• Sep 13, 2023 •C S
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/** * @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] } } } };
• Feb 3, 2021 •C S
import React, { useState } from 'react' import Welcome from '../components/Welcome' function About() { const [showWelcome, setShowWelcome] = useState(false) return ( <div> {showWelcome ? <Welcome /> : null} </div> <div> {showWelcome && <Welcome /> } </div> ) } export default App
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/** * @param {number[]} nums * @return {boolean} */ var containsDuplicate = function(nums) { return new Set(nums).size !== nums.length };