max diff in moving subset window

gistfile1.txt

def max_devi(choices, setlength) # v, d
  largest_diff = 0
  largest_diff_subset = []
  (0..choices.length - setlength).each do|i|
    subset = choices[i..i + setlength]
    diff = subset.max - subset.min
    if diff > largest_diff
      largest_diff_subset = subset
      largest_diff = diff
    end
  end
  puts "largest diff: #{largest_diff} in subset: #{largest_diff_subset}"
end

max_devi([1, 2, 3, 4, 10], 3) # should be 7 (10 - 3)

gistfile2.txt

def max_devi(choices, setlength) # v, d
  largest_diff = 0
  largest_diff_subset = []
  (0..choices.length - setlength).each do|i|
    subset = choices[i..i + setlength]
    diff = subset.max - subset.min
    if diff > largest_diff
      largest_diff_subset = subset
      largest_diff = diff
    end
  end
  puts "largest diff: #{largest_diff} in subset: #{largest_diff_subset}"
end

max_devi([1, 2, 3, 4, 10], 3) # should be 7 (10 - 3)