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Discover Ruby Programming Through Fun Examples

Solution: Number Sorting

Explore how to sort numbers by using Ruby's each_with_index method to access array elements and their indexes. Understand how to compare elements within the array to sort them effectively in this practical coding solution.

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Solution

Ruby
array = [10, 8, 7, 3, 4, 5, 9, 1, 2, 6] 
array.each_with_index do |num, idx|
  # comparing No.idx with remaining ones
  (idx+1..array.size() - 1).each do |idx2| 
    if array[idx] > array[idx2]
      # swap
      array[idx], array[idx2] = array[idx2], array[idx] 
    end
  end 
end
puts "The numbers in order: #{array.join(', ')}"

Explanation

  • Line 2: The ...