Display an element of an array – HackerRank Solution

In this post, we will solve Display an element of an array HackerRank Solution. This problem (Display an element of an array) is a part of Linux Shell series.

Task

Given a list of countries, each on a new line, your task is to read them into an array and then display the element indexed at 3. Note that indexing starts from 0.

Input Format

A list of country names. The only characters present in the country names will be upper or lower case characters and hyphens.

Output Format

The element at index 3 of the array (one string).

Sample Input

Namibia
Nauru
Nepal
Netherlands
NewZealand
Nicaragua
Niger
Nigeria
NorthKorea
Norway

Sample Output

Netherlands

Explanation

he element at index 3 in the list is Netherlands.

Solution – Display an element of an array – HackerRank Solution

# Given a list of countries, each on a new line, your task is to read them into an array and then display the element indexed at . Note that indexing starts from 0.
arr=($(cat))
echo ${arr[3]}

Note: This problem (Display an element of an array) is generated by HackerRank but the solution is provided by CodingBroz. This tutorial is only for Educational and Learning purpose.