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  1. Prepare
  2. Linux Shell
  3. Arrays in Bash
  4. Count the number of elements in an Array

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.