divisibilityTest.js

 /*Divisibility Test

Description

Given an array of positive integers of size N and an integer x.

Count the number of elements in the array that are divisible by x.

Input format

First line contains two space separated positive integers n and x,

where n denotes the number of elements in the array. Second line contains

n space separated elements of array.

Output format

For the given array, print the count of numbers that are divisible by x.

Sample input-1

5 5

1 5 6 10 9

Sample output-1

2

Sample input-2

4 7

11 15 22 100

Sample output-2

0

*/

let fs = require("fs");

let data = fs.readFileSync(0, 'utf-8');

let idx = 0;

data = data.split('\n');

function readLine() {

idx++;

return data[idx - 1].trim();

}

/////////////////////////////////////////////////////////////////////////////////////////////////////////////

const array = readLine().split(' '); // [ '5', '5' ] green color

//console.log(array);

const noOfIntegers = parseInt(array[0]); // yellow color 5

//console.log(noOfIntegers);

const integer = parseInt(array[1]); // yellow color 5

//console.log(integer);

let count = 0; // intially the count is 0

const array2 = readLine().split(' '); // [ '1', '5', '6', '10', '9' ] green color

//console.log(array2)

for (let i = 0; i < noOfIntegers; i++) //1.(i=0<5 true), 2.(i=1<5 true), 3.(i=2<5 true),

4.(i=3<5 true), 5.(i=4<5 true),6(i=6<5 false exit the loop

{

if (parseInt(array2[i]) % integer == 0)// 1.(1%5=0 false), 2.(5%5=0 true), 3.(6%5=0 false),

4.(10%5=0 true), 5.(9%5=0 false)

{

count++; // 1,2

}

}

console.log(count); // 2

//////////////////////////////////////////////////////////////////////////////////////////////

TERMINAL: