HackerRank - Count the number of elements in an Array

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

• Namibia
• Nauru
• Nepal
• Netherlands
• NewZealand
• Nicaragua
• Niger
• Nigeria
• NorthKorea
• Norway

# Output

• 10

# Solution

            
    mapfile -t array
    echo ${#array[@]}
    

Post:

• 2025-04 - 'Grep' - A;