语言:Python 描述:使用递归实现 # Definition for a binary tree node # class TreeNode: # def __init__(self, x): # self.val = x # self.left = None # self.right = None class Solution: # @param p, a tree node # @param q, a tree node # @return a boolean def isSameTre…
描述:递归调用,getMax返回 [节点值,经过节点左子节点的最大值,经过节点右节点的最大值],每次递归同时查看是否存在不经过节点的值大于max. 代码:待优化 def getLargeNode(self, a, b): if a and b: return max(a, b) elif a and not b: return a elif not a and b: return b else: tmp = None def getMax(self, node): if node is None…
ZOJ Problem Set - 1097 Code the Tree Time Limit: 2 Seconds Memory Limit: 65536 KB A tree (i.e. a connected graph without cycles) with vertices numbered by the integers 1, 2, ..., n is given. The "Prufer" code of such a tree is built as foll…
Code the Tree Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 2350 Accepted: 906 Description A tree (i.e. a connected graph without cycles) with vertices numbered by the integers 1, 2, ..., n is given. The "Prufer" code of such a…
Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 2292 Accepted: 878 Description A tree (i.e. a connected graph without cycles) with vertices numbered by the integers 1, 2, ..., n is given. The "Prufer" code of such a tree is built…
Code the Tree Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 2259 Accepted: 859 Description A tree (i.e. a connected graph without cycles) with vertices numbered by the integers 1, 2, ..., n is given. The "Prufer" code of such a…
G.Code the Tree Time Limit: 2 Sec Memory Limit: 128 MB Submit: 35 Solved: 18 [Submit][Status][Web Board] Description A tree (i.e. a connected graph without cycles) with vertices numbered by the integers 1, 2, ..., n is given. The "Prufer" code…
Palindrome Number Total Accepted: 19369 Total Submissions: 66673My Submissions Determine whether an integer is a palindrome. Do this without extra space. 推断一个数整数是不是回文?比如121,1221就是回文,好吧,直接利用前面写过的[Leet Code]Reverse Integer--"%"你真的懂吗? 只是这里要考虑翻转后,数值…
