题解 | #有效括号序列#
有效括号序列
https://www.nowcoder.com/practice/37548e94a270412c8b9fb85643c8ccc2
# # 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可 # # # @param s string字符串 # @return bool布尔型 # class Solution: def isValid(self, s: str) -> bool: # write code here seq = ["(", "{", "["] ret = list() if len(s) < 1: return False try: for i in s: if i in seq: ret.append(i) elif i == ")": if "(" != ret.pop(): return False elif i == "]": if "[" != ret.pop(): return False elif i == "}": if "{" != ret.pop(): return False if len(ret) != 0: return False else: return True except: return False
查看11道真题和解析
投递百度等公司9个岗位