brackets string :return: True or False """ blanced = True index = 0 s = Stack() b_left = ['(', '[', '{'] mapping_num_dict = {'(': 1, ')': 1, '[': 2, ']': 2, '{': 3, '}': 3 } while index < len(brackets) and blanced: if brackets[index] in b_left: ...
stack.isEmpty() || stack.pop() != c 没看懂这里为什么要判空_牛客网_牛客在手,offer不愁
Class/Type: Stack Method/Function: isEmpty 导入包: datastructures 每个示例代码都附有代码来源和完整的源代码,希望对您的程序开发有帮助。 示例1 def checkPar(s): ''' check balanced parenthesis Args: s (str): string of parenthesis ''' S = Stack() for i in s: if S.isEmpty(): if i =...
Sign up for freeto subscribe to this conversation on GitHub. Already have an account?Sign in. Assignees No one assigned Labels c: crashStack traces logged to the consoleframeworkflutter/packages/flutter repository. See also f: labels. Projects ...