hackerrank-in-a-string.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', _ => {
    inputString = inputString.replace(/\s*$/, '')
        .split('\n')
        .map(str => str.replace(/\s*$/, ''));

    main();
});

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

// Complete the hackerrankInString function below.
function hackerrankInString(str) {
    var string = "hackerrank";
    var c = 0;
    for (var s in str) {
        console.log(s);
        if (str[s] === string[c]) {
            c++;
        }
    }
    return c === string.length ? "YES" : "NO";
}


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

    const q = parseInt(readLine(), 10);

    for (let qItr = 0; qItr < q; qItr++) {
        const s = readLine();

        let result = hackerrankInString(s);

        ws.write(result + "\n");
    }

    ws.end();
}