problems.rb

# Prints out a tree like this (branches_height = 5) with a pedestal:
#
#     x
#    xxx
#   xxxxx
#  xxxxxxx
# xxxxxxxxx
#     |
#    ===
def render_tree(branches_height)
  raise "branches_height must be at least 2" if branches_height < 2
  raise NotImplmentedError
end

# Looks for parens in the string, '(' for opening and ')' for closing.
# Return true if every opening paren is eventually followed by a matching closing paren,
# and every closing paren is following a matching opening paren.
# It should ignore all other characters.
def balanced(string)
  raise NotImplmentedError
end

# Casees to test:
# ()
# )
# (()))
# ()(()
# ()((()(()))())
# (hello, (some) more text (to complicate the process))