E-COM-NET
首页
在线工具
Layui镜像站
SUI文档
联系我们
推荐频道
Java
PHP
C++
C
C#
Python
Ruby
go语言
Scala
Servlet
Vue
MySQL
NoSQL
Redis
CSS
Oracle
SQL Server
DB2
HBase
Http
HTML5
Spring
Ajax
Jquery
JavaScript
Json
XML
NodeJs
mybatis
Hibernate
算法
设计模式
shell
数据结构
大数据
JS
消息中间件
正则表达式
Tomcat
SQL
Nginx
Shiro
Maven
Linux
postorder
【LeetCode】Binary Tree
Postorder
Traversal
Givenabinarytree,returnthepostordertraversalofitsnodes'values.Forexample:Givenbinarytree{1,#,2,3},1 \ 2 / 3 return[3,2,1].Note:Recursivesolutionistrivial,couldyoudoititeratively?/** *Definitionforbina
xiaozhuaixifu
·
2013-12-03 20:00
java
LeetCode
[LeetCode]Binary Tree
Postorder
Traversal,解题报告
题目Givenabinarytree,returnthepostordertraversalofitsnodes'values.Note:Recursivesolutionistrivial,couldyoudoititeratively?思路题目给的Note提示,意思是用非递归实现二叉树的后序遍历之前用c很详细的描述过二叉树各种递归、非递归遍历,想了解原理的同学移步:http://blog.cs
zinss26914
·
2013-12-02 14:00
LeetCode题解: Construct Binary Tree from Preorder and Inorder Traversal
ConstructBinaryTreefromPreorderandInorderTraversalGivenpreorderandinordertraversalofatree,constructthebinarytree.Note:Youmayassumethatduplicatesdonotexistinthetree.思路:和inorder+
postorder
MagiSu
·
2013-11-25 15:00
LeetCode
LeetCode题解: Construct Binary Tree from Inorder and
Postorder
Traversal
ConstructBinaryTreefromInorderandPostorderTraversalGiveninorderandpostordertraversalofatree,constructthebinarytree.Note:Youmayassumethatduplicatesdonotexistinthetree.思路:已知中序遍历和后序遍历的结果,要求反推树结构。首先注意到后序遍
MagiSu
·
2013-11-25 14:00
LeetCode
LeetCode:Construct Binary Tree from Inorder and
Postorder
Traversal,Construct Binary Tree from Preorder
LeetCode:Construct Binary Tree from Inorder and
Postorder
Traversal Given inorder and
postorder
traversal
·
2013-11-24 21:00
LeetCode
Construct Binary Tree from Inorder and
Postorder
Traversal 由中序和后序重建二叉树@LeetCode
同上一题,这一题是由inorder和
postorder
来确定树,对于
postorder
,root要从尾部开始找另外,在从一个order到另外一个order时,要用相对距离来计算!
hellobinfeng
·
2013-11-24 08:00
Binary Tree
Postorder
Traversal 二叉树后续遍历@LeetCode
迭代解法在那篇面试总结二中写了packageLevel3; importjava.util.ArrayList; importUtility.TreeNode; /** *BinaryTreePostorderTraversal * *Givenabinarytree,returnthepostordertraversalofitsnodes'values. Forexample: Giv
hellobinfeng
·
2013-11-21 10:00
二叉树的生成和遍历
preorder(root);printf("\n"); printf("中序遍历:\n"); inorder(root);printf("\n"); printf("后序遍历\n");
postorder
xflcx1991
·
2013-11-18 11:00
LeetCode 之 Binary Tree
Postorder
Traversal
原题:Givenabinarytree,returnthe
postorder
traversalofitsnodes'values.二叉树后序遍历,可以看看先序和中序直接上代码(20ms):classSolution
zhao123h
·
2013-11-16 22:00
LeetCode
leetcode -- Binary Tree
Postorder
Traversal
Given a binary tree, return the
postorder
traversal of its nodes' values.
·
2013-11-16 10:00
LeetCode
LeetCode Construct Binary Tree from Inorder and
Postorder
Traversal 思考分析过程分享
Giveninorderandpostordertraversalofatree,constructthebinarytree.Note:Youmayassumethatduplicatesdonotexistinthetree.利用二叉树的中序和后序的序列还原一颗二叉树。Note的意思是如果有节点的值是重复的话,那么就无法确保这颗二叉树是唯一的了。 一开始我基本上是毫无头绪。然后思考:1画图:把
kenden23
·
2013-11-12 13:00
LeetCode
binary
construct
思考过程分享
构造二叉树问题分析
Tre
Binary Tree
Postorder
Traversal-二叉树的后序遍历
原题:Givenabinarytree,returnthepostordertraversalofitsnodes'values.=>给定一个二叉树,给出后序遍历的所有节点值Forexample:=>例如Givenbinarytree{1,#,2,3},=>给定一个二叉树{1,#,2,3}1 \ 2 / 3 return[3,2,1].=>返回[3,2,1]Note:Recursives
u011960402
·
2013-11-12 11:00
二叉树
非递归
后序遍历
Leetcode: Binary Tree
Postorder
Traversal
Givenabinarytree,returnthepostordertraversalofitsnodes'values.Forexample:Givenbinarytree{1,#,2,3},1 \ 2 / 3 return[3,2,1].Note:Recursivesolutionistrivial,couldyoudoititeratively?/** *Definitionforbina
violet_program
·
2013-11-11 10:00
[LeetCode] Binary Tree
Postorder
Traversal
Given a binary tree, return the
postorder
traversal of its nodes' values.
·
2013-11-10 10:00
LeetCode
Leetcode: Binary Tree
Postorder
Traversal
Givenabinarytree,returnthe
postorder
traversalofitsnodes'values.Forexample:Givenbinarytree {1,#,2,3},
doc_sgl
·
2013-11-09 15:00
LeetCode
tree
binary
traversal
postorder
LeetCode Binary Tree
Postorder
Traversal 二叉树后序遍历 递归和非递归解法
Givenabinarytree,returnthe
postorder
traversalofitsnodes'values.Forexample:Givenbinarytree {1,#,2,3},
kenden23
·
2013-11-08 19:00
LeetCode
tree
binary
Postorde
二叉树后序遍历
递归和非递归解法
leetcode Binary Tree Preorder Traversal Binary Tree
Postorder
Traversal Inorder Traversal
最近几天都没有在leetcode做题了,今天来了做了几个二叉树。发现二叉树的题目真的很多,都是些一般的基础。没有什么说的。找两个最近的题做了贴上吧。前序遍历二叉树,这个没有什么说的。借助于堆栈可以轻松的实现。题目要求不用递归实现。classSolution{ public: vectorpreorderTraversal(TreeNode*root){ //IMPORTANT:Pleaserese
hefeiguo
·
2013-11-08 15:00
LeetCode
数据结构
二叉树
非递归后续遍历
非递归前序遍历二叉树
Leetcode: Construct Binary Tree from Inorder and
Postorder
Traversal
Giveninorderandpostordertraversalofatree,constructthebinarytree.Note:Youmayassumethatduplicatesdonotexistinthetree./** *Definitionforbinarytree *structTreeNode{ *intval; *TreeNode*left; *TreeNode*righ
doc_sgl
·
2013-10-05 20:00
LeetCode
tree
binary
Inorder
postorder
【数据结构】二叉树
二叉树的遍历分为前序(preorder)、中序(inorder)、后序(
postorder
)。
lifehack
·
2013-09-22 16:00
Morris Traversal方法遍历二叉树(非递归,不用栈,O(1)空间)
通常,实现二叉树的前序(preorder)、中序(inorder)、后序(
postorder
)遍历有两个常用的方法:一是递归(recursive),二是使用栈实现
chenglinhust
·
2013-09-18 10:00
Construct Binary Tree from Inorder and
Postorder
Traversal(用中序和后序建树,在题目给定的函数中完成) 【leetcode】
题目:Giveninorderandpostordertraversalofatree,constructthebinarytree.Note:Youmayassumethatduplicatesdonotexistinthetree.中序和后序建树,做烂的都,为了符合题意,我想是尽量在题目要求的函数中完成,不借助其他函数。第一次交超内存了,因为vector的clear其实不释放内存,坑爹。查了一
zhang9801050
·
2013-09-17 14:00
LeetCode
建树
中序后序
【Leetcode】Construct Binary Tree from Inorder and
Postorder
Traversal
Giveninorderandpostordertraversalofatree,constructthebinarytree.Note:Youmayassumethatduplicatesdonotexistinthetree.根据中序序列和后序序列构造二叉树,后序的最后一个结点一定是根结点,该结点可以把中序序列分成左右两部分,对应于左右子树的中序序列,根据左右两部分中结点的个数又可以把后序序列
u011988946
·
2013-09-14 16:00
C++
二叉树
根据后序和中序构造二叉树
实习、校招常考算法一:二叉树遍历、排序算法
一、二叉树遍历1、前序遍历(PreOrder)\中序遍历(InOrder)\后序遍历(
PostOrder
)voidPreOrderTraverse(BinaryTreeNodeT) { if(T==
SibylY
·
2013-09-13 21:00
PAT 1020. Tree Traversals
题目的意思,是要根据一个二元树的后序遍历序列(
postorder
)和它的中序遍历序列(inorder),来求得此树的层遍历序列。
guoliang
·
2013-09-02 21:00
tree
pat
Traversals
1020.
[LeetCode] Construct Binary Tree from Inorder and
Postorder
Traversal
ConstructBinaryTreefromInorderandPostorderTraversal:Giveninorderandpostordertraversalofatree,constructthebinarytree.Note:Youmayassumethatduplicatesdonotexistinthetree.拿上一题的代码来改的,然后发现拷贝粘贴果然是第一BUG源。。。/*
a83610312
·
2013-08-28 15:00
二叉树前序序列、中序序列、后序序列互求
两种情况:1、已知前序序列和中序序列,求后序序列2、已知后序序列和中序序列,求前序序列//已知前序序列和中序序列,求后序序列#includevoidpreorder_inorder_to_
postorder
sjyu_金色年华
·
2013-08-23 21:07
C语言
数据结构
C++
leetcode -- Construct Binary Tree from Inorder and
Postorder
Traversal
Given inorder and
postorder
traversal of a tree, construct the binary tree.
·
2013-08-23 10:00
LeetCode
[leetcode] Construct Binary Tree from Inorder and
Postorder
Traversal
Youmayassumethatduplicatesdonotexistinthetree.classSolution{ public: TreeNode*buildTree(vector&inorder,vector&
postorder
logarrow
·
2013-08-19 17:00
[leetcode刷题系列]Construct Binary Tree from Inorder and
Postorder
Traversal
这种题还真是没怎么写过,acm中基本上见不到这类提。不过简单想一下很容易能想到算法。/** *Definitionforbinarytree *structTreeNode{ *intval; *TreeNode*left; *TreeNode*right; *TreeNode(intx):val(x),left(NULL),right(NULL){} *}; */ classSolution{
sigh1988
·
2013-08-10 23:00
uva 548
#include #include #include #include usingnamespacestd; constintMAXN=10005; intinOrder[MAXN],
postOrder
u011345136
·
2013-08-08 11:00
根据前序和后序构建二叉树
此时即使元素都不同,也不是唯一的,举个例子// 1 1// / \// 2 2/// \//3 3//preorder 123//
postorder
321
yuejiewc
·
2013-08-03 20:00
Construct Binary Tree from Inorder and
Postorder
Traversal
Giveninorderandpostordertraversalofatree,constructthebinarytree. Note:Youmayassumethatduplicatesdonotexistinthetree. /** *Definitionforbinarytree *structTreeNode{ *intval; *TreeNode*left; *TreeNo
windshg
·
2013-07-27 21:00
binary
Construct Binary Tree from Inorder and
Postorder
Traversal
Giveninorderandpostordertraversalofatree,constructthebinarytree.Note:Youmayassumethatduplicatesdonotexistinthetree./** *Definitionforbinarytree *publicclassTreeNode{ *intval; *TreeNodeleft; *TreeNoder
violet_program
·
2013-07-08 12:00
[leetcode]Construct Binary Tree from Inorder and
Postorder
Traversal
Giveninorderandpostordertraversalofatree,constructthebinarytree.Note:Youmayassumethatduplicatesdonotexistinthetree./** *Definitionforbinarytree *structTreeNode{ *intval; *TreeNode*left; *TreeNode*righ
tuantuanls
·
2013-07-02 20:00
LeetCode
Morris Traversal方法遍历二叉树(非递归,不用栈,O(1)空间)
通常,实现二叉树的前序(preorder)、中序(inorder)、后序(
postorder
)遍历有两个常用的方法:一是递归(recursive),二是使用栈实现的迭代版本(stack+iterative
Annie Kim's Blog
·
2013-06-15 18:00
二叉树遍历(递归与迭代)
二叉树遍历算法分为前序(PreOredr),中序(InOrder),后序(
PostOrder
)遍历。并且可以设计递归型或者迭代型算法。
sicofield
·
2013-06-09 18:00
C++
算法
递归
二叉树
迭代
functionclass[LeetCode]Construct Binary Tree from Inorder and
Postorder
Traversal
最近研究functionclass,稍微总结一下,以后继续补充: 每日一道理正所谓“学海无涯”。我们正像一群群鱼儿在茫茫的知识之海中跳跃、嬉戏,在知识之海中出生、成长、生活。我们离不开这维持生活的“海水”,如果跳出这个“海洋”,到“陆地”上去生活,我们就会被无情的“太阳”晒死。structTreeNode{ intval; TreeNode*left; TreeNode*right;
·
2013-05-28 23:00
LeetCode
[面试真题] LeetCode:Construct Binary Tree from Inorder and
Postorder
Traversal
Given inorder and
postorder
traversal of a tree, construct the binary tree.
·
2013-05-12 13:00
LeetCode
节点遍历二叉树的遍历(递归、非递归)
本文论讨二叉树的见常遍历方法的代码现实(这里贴出的是Java),包含前序(preorder)、序中(inorder)、后序(
postorder
)、层序(leve
·
2013-05-05 22:00
二叉树
二叉树的遍历(递归、非递归)
本文讨论二叉树的常见遍历方式的代码实现(这里贴出的是Java),包括前序(preorder)、中序(inorder)、后序(
postorder
)、层序(levelorder),进一步,考虑递归和非递归的实现方式
BIAOBIAOqi
·
2013-05-04 23:00
【leetcode】Construct Binary Tree from Inorder and
Postorder
Traversal
Question: Given inorder and
postorder
traversal of a tree, construct the binary tree.
king_tt
·
2013-05-04 00:00
LeetCode
【leetcode】Construct Binary Tree from Inorder and
Postorder
Traversal
Question: Giveninorderandpostordertraversalofatree,constructthebinarytree.Note:Youmayassumethatduplicatesdonotexistinthetree.Anwser1: /** *Definitionforbinarytree *structTreeNode{ *intval; *TreeNode*
sunboy_2050
·
2013-05-04 00:00
“中序遍历"和”后序遍历“重建二叉树
usingnamespacestd; structTreeNode { intvalue; TreeNode*pLeft; TreeNode*pRight; }; intfindRoot(int*
postOrder
dapengking
·
2013-04-22 11:00
leetcode 110: Construct Binary Tree from Inorder and
Postorder
Traversal
ConstructBinaryTreefromInorderandPostorderTraversalSep30'12Giveninorderandpostordertraversalofatree,constructthebinarytree.Note:Youmayassumethatduplicatesdonotexistinthetree. /** *Definitionforbinary
xudli
·
2013-03-10 04:00
根据前序和中序序列重建二叉树
PreOrder(T)=T的根节点+PreOrder(T的左子树)+PreOrder(T的右子树) InOrder(T)=InOrder(T的左子树)+T的根节点+InOrder(T的右子树)
PostOrder
f81892461
·
2013-01-30 23:00
Construct Binary Tree from Inorder and
Postorder
Traversal
Giveninorderandpostordertraversalofatree,constructthebinarytree.Note:Youmayassumethatduplicatesdonotexistinthetree./** *Definitionforbinarytree *publicclassTreeNode{ *intval; *TreeNodeleft; *TreeNoder
beiyetengqing
·
2013-01-22 08:00
sicily 1935 二叉树重建
中序遍历和后序遍历如下:PreOrder(T)=T的根节点+PreOrder(T的左子树)+PreOrder(T的右子树)InOrder(T)=InOrder(T的左子树)+T的根节点+InOrder(T的右子树)
PostOrder
Ciel
·
2013-01-16 17:00
二叉树
ACM
bfs
sicily
[leetcode]Construct Binary Tree from Inorder and
Postorder
Traversal
struct TreeNode { int val; TreeNode *left; TreeNode *right; TreeNode(int x) : val(x), left(NULL), right(NULL) {} }; class Solution { public: TreeNode *buildTree(
·
2012-12-30 16:00
LeetCode
LeetCode: Construct Binary Tree from Inorder and
Postorder
Traversal
Giveninorderandpostordertraversalofatree,constructthebinarytree.Note:Youmayassumethatduplicatesdonotexistinthetree.找到根节点在中序遍历中的index,然后递归就好,难点在于子序列初始位置的计算。/** *Definitionforbinarytree *structTreeNode{
sunjilong
·
2012-11-28 18:00
[LeetCode]Construct Binary Tree from Inorder and
Postorder
Traversal
ConstructBinaryTreefromInorderandPostorderTraversalGiveninorderandpostordertraversalofatree,constructthebinarytree.Note:Youmayassumethatduplicatesdonotexistinthetree.思路: 中序的是左中右,后序的是左右中, 后序的最后一个元素即是根,
xshalk
·
2012-11-08 18:00
上一页
11
12
13
14
15
16
17
18
下一页
按字母分类:
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
其他