Circular Array Rotation.js

'use strict';

const fs = require('fs');

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

let inputString = '';
let currentLine = 0;

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

process.stdin.on('end', function() {
    inputString = inputString.replace(/\s*$/, '')
        .split('\n')
        .map(str => str.replace(/\s*$/, ''));

    main();
});

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

// Complete the circularArrayRotation function below.
function circularArrayRotation(a, k, queries) {

var ar=a;

var q=queries;
  

for(var i=1;i<=k;i++){
  
  ar.unshift(ar[ar.length-1]);
  ar.splice(ar.length-1,1);
}
var result=[];
for(var i=0;i<q.length;i++){
  
  result.push(ar[q[i]]);
}
  return result;
}

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

    const nkq = readLine().split(' ');

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

    const k = parseInt(nkq[1], 10);

    const q = parseInt(nkq[2], 10);

    const a = readLine().split(' ').map(aTemp => parseInt(aTemp, 10));

    let queries = [];

    for (let i = 0; i < q; i++) {
        const queriesItem = parseInt(readLine(), 10);
        queries.push(queriesItem);
    }

    const result = circularArrayRotation(a, k, queries);

    ws.write(result.join('\n') + '\n');

    ws.end();
}