Hello coders, In this post, you will learn how to solve Count the number of elements in an Array HackerRank Solution. This problem is a part of the Linux Shell series.
Count the number of elements in an Array HackerRank Solution
Problem
Given a list of countries, each on a new line, your task is to read them into an array and then display the count of elements in that array.
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
A single integer – the number of elements in the array.
Sample Input
Namibia
Nauru
Nepal
Netherlands
NewZealand
Nicaragua
Niger
Nigeria
NorthKorea
Norway
Sample Output
10
Explanation
There are 10 elements in the array – i.e. the given list has the names of 10 countries.
Count the number of elements in an Array HackerRank Solution
#You are given a list of countries, each on a new line. Your task is to read them into an array and then transform them in the following way:The first capital letter (if present) in each element of the array should be replaced with a dot ('.'). Then, display the entire array with a space between each country's names.
arr=($(cat))
echo ${arr[@]/[A-Z]/.}Note: This problem (Count the number of elements in an Array) is generated by HackerRank but the solution is provided by Chase2learn. This tutorial is only for Learning and Educational purpose.
