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[lintcode easy]Binary Tree Postorder Traversal
Binary Tree Postorder TraversalGiven a binary tree, return thepostordertraversal of its nodes' values.Given binary tree{1,#,2,3}, 1 \ 2 / ...
分类:其他好文   时间:2015-11-17 06:49:39    阅读次数:158
LeetCode Binary Tree Postorder Traversal(数据结构)
题意: 用迭代法输出一棵二叉树的后序遍历结果。思路: (1)用两个栈,一个存指针,一个存标记,表示该指针当前已经访问过哪些孩子了。 1 /** 2 * Definition for a binary tree node. 3 * struct TreeNode { 4 * int ...
分类:其他好文   时间:2015-11-02 22:39:45    阅读次数:259
[LeetCode]: 145: Binary Tree Postorder Traversal
题目:Given a binary tree, return thepostordertraversal of its nodes' values.For example:Given binary tree{1,#,2,3}, 1 \ 2 / 3return[3,2,1]...
分类:其他好文   时间:2015-10-09 18:19:44    阅读次数:136
LeetCode -- Construct Binary Tree from Inorder and Postorder Traversal
LeetCode -- Construct Binary Tree from Inorder and Postorder Traversal...
分类:其他好文   时间:2015-10-04 17:16:45    阅读次数:128
106. Construct Binary Tree from Inorder and Postorder Traversal (Tree; DFS)
Given inorder and postorder traversal of a tree, construct the binary tree.Note:You may assume that duplicates do not exist in the tree.struct TreeNod...
分类:其他好文   时间:2015-10-04 14:45:11    阅读次数:139
leetcode Construct Binary Tree from Inorder and Postorder Traversal
Given inorder and postorder traversal of a tree, construct the binary tree.Note:You may assume that duplicates do not exist in the tree.遇到二叉树问题最先想到的是递...
分类:其他好文   时间:2015-10-03 18:16:44    阅读次数:200
145. Binary Tree Postorder Traversal (Stack, Tree)
Given a binary tree, return the postorder traversal of its nodes' values. For example:Given binary tree {1,#,2,3}, 1 \ 2 / 3return [3,2,...
分类:其他好文   时间:2015-10-03 18:13:25    阅读次数:214
Binary Tree Postorder Traversal
Postorder: first, visit left child, then, parent, last, is to visit right child.The postorder traversal result of above tree is {4,6,5,2,3,1}.Key diff...
分类:其他好文   时间:2015-10-01 06:59:04    阅读次数:195
POJ(2186)强连通分量分解
#include#include#includeusing namespace std;const int MAX_N=10005;vector G[MAX_N]; vector rG[MAX_N];//存储边反向之后的图 vector PostOrder;//存储图的后序遍历 int V,E;bo...
分类:其他好文   时间:2015-09-22 12:53:55    阅读次数:143
[LeetCode][JavaScript]Binary Tree Postorder Traversal
Binary Tree Postorder TraversalGiven a binary tree, return thepostordertraversal of its nodes' values.For example:Given binary tree{1,#,2,3}, 1 \...
分类:编程语言   时间:2015-09-19 22:25:13    阅读次数:194
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