IP屬地:江蘇
classSolution(object): defhasPathSum(self,root,targetSum): ifroot==None: returnFalse if...
背景: 公司要啟動項(xiàng)目要做一個實(shí)時(shí)數(shù)據(jù)系統(tǒng),去替代現(xiàn)在在oracle上計(jì)算的那套東西全部搬到Hadoop平臺上;調(diào)研了Druid、Hbase、Kudu,最后定下來方案使用Ku...
class Solution(object):def getIntersectionNode(self, headA, headB):a, b = headA, headBw...
https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal/ 解題思路 : 二叉樹層序...
classSolution(object): defhasCycle(self,head): tag=False #邊界條件 ifhead==None: returnNone...
classSolution(object): defisSymmetric(self,root): self.tag_node=True ifroot.left==Nonea...