from .stack import Stack


def SCREAMING_SNAKE_CASE			(       lowercase_:		str			):
       _UpperCamelCase       :    Stack[str]					  =					Stack()
       _UpperCamelCase       :    int					  =					{'(': ')', '[': ']', '{': '}'}
       for bracket in parentheses:
              if bracket in bracket_pairs:
                     stack.push(lowercase_			)
              elif bracket in (")", "]", "}"):
                     if stack.is_empty() or bracket_pairs[stack.pop()] != bracket:
                            return False
       return stack.is_empty()


if __name__ == "__main__":
 from doctest import testmod

 testmod()

 UpperCAmelCase     						=			['''((()))''', '''((())''', '''(()))''']
 print('''Balanced parentheses demonstration:\n''')
 for example in examples:
  UpperCAmelCase     						=			'''''' if balanced_parentheses(example) else '''not '''
  print(f'''{example} is {not_str}balanced''')




def SCREAMING_SNAKE_CASE			(       lowercase_:		list[int]			):

       # validate:
       if not isinstance(lowercase_						,  lowercase_			) or not all(
           isinstance(lowercase_						,  lowercase_			) and item >= 0 for item in citations			):
              raise ValueError('The citations should be a list of non negative integers.'			)

       citations.sort()
       _UpperCamelCase       :    List[str]					  =					len(lowercase_			)

       for i in range(lowercase_			):
              if citations[len_citations - 1 - i] <= i:
                     return i

       return len_citations


if __name__ == "__main__":
 import doctest

 doctest.testmod()



