Between_Two_Sets.js

'use strict';

const fs = require('fs');

process.stdin.resume();
process.stdin.setEncoding('utf-8');

let inputString = '';
let currentLine = 0;

process.stdin.on('data', function(inputStdin) {
    inputString += inputStdin;
});

process.stdin.on('end', function() {
    inputString = inputString.split('\n');

    main();
});

function readLine() {
    return inputString[currentLine++];
}

/*
 * Complete the 'getTotalX' function below.
 *
 * The function is expected to return an INTEGER.
 * The function accepts following parameters:
 *  1. INTEGER_ARRAY a
 *  2. INTEGER_ARRAY b
 */

function getTotalX(a, b) {
    // Write your code here
    const arr = [];
    while(arr.length < b[0]) arr.push(arr.length + 1)
    
    let factors = 0;
    arr.forEach((e) => {
      const cond1 = a.every((el) => e % el === 0);
      const cond2 = b.every((el) => el % e === 0);
      if(cond1 && cond2) factors++;
    })
    
    return factors;

}

function main() {
    const ws = fs.createWriteStream(process.env.OUTPUT_PATH);

    const firstMultipleInput = readLine().replace(/\s+$/g, '').split(' ');

    const n = parseInt(firstMultipleInput[0], 10);

    const m = parseInt(firstMultipleInput[1], 10);

    const arr = readLine().replace(/\s+$/g, '').split(' ').map(arrTemp => parseInt(arrTemp, 10));

    const brr = readLine().replace(/\s+$/g, '').split(' ').map(brrTemp => parseInt(brrTemp, 10));

    const total = getTotalX(arr, brr);

    ws.write(total + '\n');

    ws.end();
}