CODEWITHSUNDEEP
rubyarraysinteger
jta
jta

Reputation: 15

Ruby Lowest Integer in a multidimensional Array

Let's say that I have a multidimensional array with array's inside of it that each have two numbers. How do I iterate over the entire array and output the lowest number in each array? For example [[4, 6][8, 3]].My attempts at using .min, <=>, and if else statements have not worked.

Upvotes: 0

Views: 629

Answers (3)

Dave Sexton
Dave Sexton

Reputation: 11188

Just use flatten followed by min like so:

[[4, 6], [8, 3]].flatten.min

=> 3

Upvotes: 1

David Aldridge
David Aldridge

Reputation: 52346

Should be as simple as:

[[4, 6],[8, 3]].each{|a| puts a.min}

or 

[[4, 6],[8, 3]].map{|a| a.min}

... for an array output

Upvotes: 2

ABrowne
ABrowne

Reputation: 1604

Assuming you want to list 'all the mins from the arrays', there are lots of ways, here is a simple one:

array_of_arrays = [[4,6],[8,3]]

lowest_arrays = array_of_arrays.map {|a| a[0] < a[1] ? a[0] : a[1]}

or 

 lowest_arrays = array_of_arrays.map {|a| a.min}

This outputs [4, 3]

Upvotes: 2

Related Questions