# How to use factorsB method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

asymmetricKeyEncryption.js

Source:asymmetricKeyEncryption.js

1var Identity = function(){2 this.privateKey = null;3 this.publicKey = null;4 this.modulus = null;5};6/**7 * Calculates the modulus and private and public keys, and stores them on the8 * Identity.9 *10 * @param {number} p the first of two distinct primes11 * @param {number} q the second prime12 *13 * @sideeffect sets this.modulus, this.publicKey, and this.privateKey on the14 * Identity instance15 */16Identity.prototype.generateKeyPair = function(p, q) {17 var n = p * q;18 this.modulus = n;19 var comprimeN = findCoprime(n);20 var totientN = (p - 1) * (q - 1);21 var e = findCoprime(totientN);22 this.publicKey = e >= 3 ? e : 3;23 this.privateKey = calculateModInverse(this.publicKey, totientN);24};25/**26 * Given a message, generates and returns the sender's signature. A signature27 * is a messsage encrypted using an Identity's private key to verify that they28 * sent the message.29 *30 * @param {string} text the message to sign31 * @return {string} the signature32 */33Identity.prototype.signMessage = function(text){34 return encryptMessage(text, this.privateKey, this.modulus);35};36/**37 * Given plaintext and a recipient Identity, generates ciphertext and signature.38 * Hint: in this case, the signature is simply the ciphertext encrypted with the39 * sender's private key.40 *41 * @param {string} plaintext the message to be encrypted and sent42 * @param {Object} recipient an Identity object43 * @return {Object} an object with signature, ciphertext, and sender properties44 */45Identity.prototype.sendMessage = function(plaintext, recipient){46 const signature = this.signMessage(plaintext);47 const ciphertext = encryptMessage(plaintext, recipient.publicKey, recipient.modulus);48 recipient.receiveMessage(49 ciphertext,50 signature,51 this52 );53 return {54 signature: signature,55 ciphertext: ciphertext,56 sender: this57 };58};59/**60 * Given the ciphertext, signature, and sender, receiveMessage should determine61 * the integrity of the message and selectively read and return the content.62 *63 * @param {string} ciphertext the encrypted message64 * @param {string} signature the signed message65 * @param {Object} sender an Identity object66 * @return {string} the plaintext67 */68Identity.prototype.receiveMessage = function(ciphertext, signature, sender){69 const decrypted = decryptMessage(ciphertext, this.privateKey, this.modulus);70 if (!confirmAuthenticity(decrypted, signature, sender.publicKey, sender.modulus)) {71 return 'Identity not authenticated';72 }73 return decrypted;74};75/**76 * Turns plaintext into ciphertext.77 *78 * @param {string} plaintext the message to encrypt79 * @param {number} key the key (public or private) with which to encrypt80 * @param {number} modulus the modulus for modular arithmetic calculations81 * @return {string} the ciphertext82 */83var encryptMessage = function(plaintext, key, modulus){84 const numbers = plaintext.split('').map(letterToNumber);85 const encrypted = numbers.map(number => {86 return Math.pow(number, key) % modulus;87 });88 return encrypted.map(numberToLetter).join('');89};90/**91 * Turns ciphertext into plaintext.92 *93 * @param {string} ciphertext the encrypted message to decrypt94 * @param {number} key the key (public or private) with which to decrypt95 * @param {number} modulus the modulus for modular arithmetic calculations96 * @return {string} the plaintext97 */98var decryptMessage = function(ciphertext, key, modulus){99 return encryptMessage(ciphertext, key, modulus);100};101/**102 * Checks that a signature is valid.103 *104 * @param {string} text the plaintext to check the decrypted signature against105 * @param {string} signature the claimed encryption of the plaintext with the106 * key in question107 * @param {number} key the public key of the sender108 * @param {[type]} modulus the modulus for modular arithmetic calculations109 * @return {boolean} whether or not the decrypted text matches the signature110 */111var confirmAuthenticity = function(text, signature, key, modulus){112 return text === decryptMessage(signature, key, modulus);113};114/*******************************************/115// It's dangerous to go alone! Take these!//116// HELPER FUNCTIONS //117// (do not modify) //118/*******************************************/119var letterToNumber = function(letter){120 return letters.indexOf(letter);121};122var numberToLetter = function(number){123 if(number >= letters.length){124 number = number % letters.length; // TODO125 } else {126 }127 return letters[number];128};129var findCoprime = function(number){130 for(var i = 2; i < number; i++){131 if( determineIfCoprime(i, number) ){132 return i;133 }134 }135};136/*******************************************/137// HELPER HELPER FUNCTIONS //138// (you won't use these) //139// (do not modify) //140/*******************************************/141var determineIfCoprime = function(a, b){142 var factorsa = factor(a);143 var factorsb = factor(b);144 delete factorsa[1];145 delete factorsb[1];146 var smaller = Object.keys(factorsa) < Object.keys(factorsb) ? factorsa : factorsb;147 var larger = Object.keys(factorsa) < Object.keys(factorsb) ? factorsb : factorsa;148 for(var value in smaller){149 if(value in larger) return false;150 }151 return true;152};153var factor = function(number){154 var primes = {};155 for(var i = 0; i <= Math.sqrt(number); i++){156 if(number % i === 0){157 primes[i] = true;158 primes[number / i] = true;159 }160 }161 primes[number] = true;162 return primes;163};164calculateModInverse = function(number, mod){165 for(var i = 1; i < mod; i++){166 if(number * i % mod === 1) return i167 }168};169var validLetters = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', ' '];170var extendedLetters = ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '`', '~', '!', '@', '#', '\$', '%', '^', '&', '*', '(', ')', '-', '_', '=', '+', '[', ']'];...

47.js

Source:47.js

1function *primeGenerator() {2 yield 2;3 yield 3;4 yield 5;5 yield 7;6 yield 11;7 yield 13;8 for (let i = 17; true; i = i + 2) {9 const upperBound = Math.sqrt(i) + 1;10 let prime = true;11 if (i % 2 == 0) continue;12 for(let j = 3; j < upperBound ; j = j+2) {13 if (i % j == 0) {14 prime = false;15 break;16 }17 }18 if (prime) yield i;19 }20}21const prime = primeGenerator(); 22const primes = [];23const mapping= {};24for(let value of prime) {25 if (value > 10000000) {26 break;27 }28 mapping[value] = true;29 primes.push(value);30}31function distinctPFactors(n,a,b,c,d, primes) {32 if (mapping[a] || mapping[b] || mapping[c] || mapping[c]) return false;33 const factorsa = [];34 const factorsb = [];35 const factorsc = [];36 const factorsd = [];37 let i = 0;38 while(primes[i] < Math.sqrt(a) + 1) {39 if (a % primes[i] == 0) {40 factorsa.push(primes[i]);41 while(a % primes[i] == 0) {42 a = a / primes[i];43 }44 }45 if (a == 1) break;46 i++47 }48 i = 0;49 while(primes[i] < Math.sqrt(b) + 1) {50 if (b % primes[i] == 0) {51 factorsb.push(primes[i]);52 while(b % primes[i] == 0) {53 b = b / primes[i];54 }55 }56 if (b == 1) break;57 i++58 }59 i = 0;60 while(primes[i] < Math.sqrt(c) + 1) {61 if (c % primes[i] == 0) {62 factorsc.push(primes[i]);63 while(c % primes[i] == 0) {64 c = c / primes[i];65 }66 }67 if (c == 1) break;68 i++69 }70 i = 0;71 while(primes[i] < Math.sqrt(d) + 1) {72 if (d % primes[i] == 0) {73 factorsd.push(primes[i]);74 while(d % primes[i] == 0) {75 d = d / primes[i];76 }77 }78 if (d == 1) break;79 i++80 }81 console.log(factorsd.length, factorsc.length, factorsb.length, factorsa.length);82 //return factorsd.length == factorsc.length && factorsc.length == factorsb.length && factorsb.length == factorsa.length;83 return factorsa.length == n && factorsb.length == n && factorsc.length == n && factorsd.length == n;84}85for(let i = 1000; i < 100000000; i++) {86 console.log(i)87 if (distinctPFactors(4,i, i+1, i+2, i+3, primes)){88 console.log(i);89 break;90 }...

hackerrank11.js

Source:hackerrank11.js

1/**2* find number factors3* @param {Number} number4* @return {Array} list of factors of number5*/6function getFactors(number) {7 var indexFactor = 1;8 var lastFactor = number;9 var factorsA = [];10 var factorsB = []11 while (indexFactor !== lastFactor) {12 if (lastFactor % indexFactor === 0) {13 lastFactor = number/indexFactor;14 factorsA.push(indexFactor);15 factorsB.unshift(lastFactor);16 }17 indexFactor++;18 }19 return factorsA.concat(factorsB);20}...

Using AI Code Generation

1const { factorsB } = require('fast-check-monorepo');2const { factorsA } = require('fast-check-monorepo');3const { factorsB } = require('fast-check-monorepo');4const { factorsA } = require('fast-check-monorepo');5const { factorsB } = require('fast-check-monorepo');6const { factorsA } = require('fast-check-monorepo');7const { factorsB } = require('fast-check-monorepo');8const { factorsA } = require('fast-check-monorepo');9const { factorsB } = require('fast-check-monorepo');10const { factorsA } = require('fast-check-monorepo');11const { factorsB } = require('fast-check-monorepo');12const { factorsA } = require('fast-check-monorepo');13const { factorsB } = require('fast-check-monorepo');14const { factorsA } = require('fast-check-monorepo');15const { factorsB } = require('fast-check-monorepo');16const { factorsA } = require('fast-check-monorepo');17const { factorsB } = require('fast-check-monorepo');18const { factorsA } = require('fast-check-monorepo');

Using AI Code Generation

1const fc = require('fast-check');2const { factorsB } = require('fast-check-monorepo');3fc.assert(fc.property(fc.integer(), fc.integer(), fc.integer(), (x, y, z) => {4 const result = factorsB(x, y, z);5 return result === x * y * z;6}));

Using AI Code Generation

1const { factorsB } = require('fast-check-monorepo');2describe('factorsB', () => {3 it('should return the factors of a number', () => {4 const factors = factorsB(100);5 expect(factors).toEqual([2, 2, 5, 5]);6 });7});8const { factorsB } = require('fast-check-monorepo');9describe('factorsB', () => {10 it('should return the factors of a number', () => {11 const factors = factorsB(100);12 expect(factors).toEqual([2, 2, 5, 5]);13 });14});15const { factorsB } = require('fast-check-monorepo');16describe('factorsB', () => {17 it('should return the factors of a number', () => {18 const factors = factorsB(100);19 expect(factors).toEqual([2, 2, 5, 5]);20 });21});22const { factorsB } = require('fast-check-monorepo');23describe('factorsB', () => {24 it('should return the factors of a number', () => {25 const factors = factorsB(100);26 expect(factors).toEqual([2, 2, 5, 5]);27 });28});29const { factorsB } = require('fast-check-monorepo');30describe('factorsB', () => {31 it('should return the factors of a number', () => {32 const factors = factorsB(100);33 expect(factors).toEqual([2, 2, 5, 5]);34 });35});36const { factorsB } = require('fast-check-monorepo');37describe('factorsB', () => {38 it('should return the factors of a number', () => {39 const factors = factorsB(100);40 expect(factors).toEqual([2, 2,

Using AI Code Generation

1const {factorsB} = require('fast-check-monorepo');2const {factorsA} = require('fast-check-monorepo');3const {factorsA} = require('fast-check-monorepo');4const {factorsB} = require('fast-check-monorepo');5const {factorsA} = require('fast-check-monorepo');6const {factorsB} = require('fast-check-monorepo');7const {factorsA} = require('fast-check-monorepo');8const {factorsB} = require('fast-check-monorepo');9const {factorsA} = require('fast-check-monorepo');10const {factorsB} = require('fast-check-monorepo');11const {factorsA} = require('fast-check-monorepo');12const {factorsB} = require('fast-check-monorepo');13const {factorsA} = require('fast-check-monorepo');14const {factorsB} = require('fast-check-monorepo');15const {factorsA} = require('fast-check-monorepo');16const {factorsB} = require('fast-check-monorepo');17const {factorsA} = require('fast-check-monorepo');18const {factorsB} = require('fast-check-monorepo');

Using AI Code Generation

1var fc = require('fast-check');2var factorsB = require('fast-check-monorepo').factorsB;3var assert = require('assert');4var prop = fc.property(fc.nat(), function (n) {5 return factorsB(n).reduce(function (a, b) {6 return a * b;7 }, 1) === n;8});9fc.assert(prop, { verbose: true });

Using AI Code Generation

1var fastCheck = require('fast-check');2var factorsB = require('fast-check-monorepo').factorsB;3fastCheck.property('factorsB', factorsB, function (factors) {4 if (!Array.isArray(factors)) {5 return false;6 }7 if (factors.length < 1) {8 return false;9 }10 for (var i = 0; i < factors.length; i++) {11 if (!Number.isInteger(factors[i])) {12 return false;13 }14 }15 var product = 1;16 for (var i = 0; i < factors.length; i++) {17 product *= factors[i];18 }19 var primes = [];20 for (var i = 2; i <= product; i++) {21 while (product % i === 0) {22 primes.push(i);23 product /= i;24 }25 }26 if (product !== 1) {27 return false;28 }29 if (factors.length !== primes.length) {30 return false;31 }32 for (var i = 0; i < factors.length; i++) {33 if (factors[i] !== primes[i]) {34 return false;35 }36 }37 return true;38});39fastCheck.check(factorsB);40var fastCheck = require('fast-check');41var factorsC = require('fast-check-monorepo').factorsC;42fastCheck.property('factorsC', factorsC, function (factors) {43 if (!Array.isArray(factors)) {44 return false;45 }46 if (factors.length < 1) {47 return false;48 }49 for (var i = 0; i < factors.length; i++) {50 if (!Number.isInteger(factors[i])) {51 return false;52 }53 }54 var product = 1;55 for (var i = 0; i < factors.length; i++) {56 product *= factors[i];57 }

Using AI Code Generation

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