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LeetCode: Binary Tree Inorder Traversal 解题报告
Binary Tree Inorder TraversalGiven a binary tree, return the inorder traversal of its nodes' values.For example:Given binary tree {1,#,2,3}, 1 \ 2 / 3...
分类:其他好文   时间:2014-12-04 00:52:08    阅读次数:191
LeetCode[Tree]: Construct Binary Tree from Preorder and Inorder Traversal
Given preorder and inorder traversal of a tree, construct the binary tree. Note: You may assume that duplicates do not exist in the tree. 这类问题非常适合用递归做,递归思路如下: 前序遍历的第一个节点必然是根节点,中序遍历中根节点之前的节...
分类:其他好文   时间:2014-12-03 21:27:24    阅读次数:172
【LeetCode】Binary Tree Inorder Traversal (2 solutions)
Binary Tree Inorder TraversalGiven a binary tree, return theinordertraversal of its nodes' values.For example:Given binary tree{1,#,2,3}, 1 \ ...
分类:其他好文   时间:2014-12-02 22:10:23    阅读次数:138
【LeetCode】Construct Binary Tree from Preorder and Inorder Traversal
Construct Binary Tree from Preorder and Inorder TraversalGiven preorder and inorder traversal of a tree, construct the binary tree.Note:You may assume...
分类:其他好文   时间:2014-11-30 16:46:40    阅读次数:150
【LeetCode】Construct Binary Tree from Inorder and Postorder Traversal
Construct Binary Tree from Inorder and Postorder TraversalGiven inorder and postorder traversal of a tree, construct the binary tree.Note:You may assu...
分类:其他好文   时间:2014-11-30 15:20:40    阅读次数:128
leetcode Construct Binary Tree from Inorder and Postorder Traversal
代码实现:给定一个中序遍历和前序遍历怎么构造出这颗树!(假定数中没有重复的数字)因为没有规定是左小右大的树,所以我们随意画一颗数,来进行判断应该是满足题意的。 3 / \ 2 4 /\ / \1 6 5 7中序遍历:1263547.后序遍历:16257...
分类:其他好文   时间:2014-11-29 14:27:53    阅读次数:111
[leetcode] Construct binary tree from inorder and postorder traversal
Giveninorderandpostordertraversalofatree,constructthebinarytree.Note:Youmayassumethatduplicatesdonotexistinthetree.postorder为左右中,所以postorder的最后一个为根,取得树根后,在inorder中可以找到左子树与右子树的元素。问题可分解为,找根,确定左子树与右子树的..
分类:其他好文   时间:2014-11-29 07:12:58    阅读次数:167
Leetcode-Binary Tree Inorder Traversal
Given a binary tree, return the inorder traversal of its nodes' values. For example:Given binary tree {1,#,2,3}, 1 \ 2 / 3return [1,3,2]...
分类:其他好文   时间:2014-11-29 06:47:04    阅读次数:137
Leetcode-Construct Binary Tree from inorder and preorder travesal
Given preorder and inorder traversal of a tree, construct the binary tree.Note:You may assume that duplicates do not exist in the tree.Solution: 1 /**...
分类:其他好文   时间:2014-11-29 01:31:14    阅读次数:256
LeetCode:Construct Binary Tree from Preorder and Inorder Traversal
要求:通过二叉树的前序和中序遍历序列构建一颗二叉树代码如下: 1 struct TreeNode { 2 int val; 3 TreeNode *left; 4 TreeNode *right; 5 TreeNode(int x):...
分类:其他好文   时间:2014-11-27 17:49:13    阅读次数:220
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