Whiteboard wednesday - print stairs

print_stairs.rb

# n  | 0 1 2 3 4 5
# i  |____________
# 1  | _ _ _ _ _ #
# 2  | _ _ _ _ # #
# 3  | _ _ _ # # #
# 4  | _ _ # # # #
# 5  | _ # # # # #
# 6  | # # # # # #


def print_stairs(n)
	for i in 1..n
	 spaces = " " * (n - i)
	 pounds = "#" * i
	 p spaces + pounds
	end
end

def print_stairs_golf(n)
  (1..n).each { |i| p " " * (n - i) + "#" * i }
end

print_stairs(5)
print_stairs_golf(5)

# Let's try overloading operators for the hell of it
class Stairs

  def *(n)
    rows = (1..n).collect { |i| " "*(n - i)+"#"*i }
    rows.join("\n")
  end

end

stairs = Stairs.new
puts stairs * 10