hacker-rank-30days-7.js

// problem 
Objective
Today, we will learn about the Array data structure. Check out the Tutorial tab for learning materials and an instructional video.

Task
Given an array, , of  integers, print 's elements in reverse order as a single line of space-separated numbers.

Example


Print 4 3 2 1. Each integer is separated by one space.

Input Format

The first line contains an integer,  (the size of our array).
The second line contains  space-separated integers that describe array 's elements.

Constraints

Constraints

, where  is the  integer in the array.
Output Format

Print the elements of array  in reverse order as a single line of space-separated numbers.

Sample Input

4
1 4 3 2
Sample Output

2 3 4 1




/** solution => 8 tests are passed*/
'use strict';

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++];
}



function main() {
    const n = parseInt(readLine().trim(), 10);

    const arr = readLine().replace(/\s+$/g, '').split(' ').map(arrTemp => parseInt(arrTemp, 10));
    const reverseArr = arr.reverse()
    
    const str = reverseArr.join(' ')
    console.log(str)
}