Abstract

The count the number of elements in an array problem from HackerRank.

Count the Number of Elements in an Array

Problem

Count the number of elements in an array

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.

Recommended References

Here’s a great tutorial tutorial with useful examples related to arrays in Bash.

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.

Section author: Xander Harris xandertheharris@gmail.com