7 lines
114 B
Ruby
7 lines
114 B
Ruby
def dif(s)
|
|
s.each_cons(2).collect { |x, y| y - x }
|
|
end
|
|
|
|
def difn(s, n)
|
|
n.times.inject(s) { |s, | dif(s) }
|
|
end
|