给定一棵树的先序遍历和中序遍历结果,重新构建这棵树。解决思路:1. 从先序遍历序列中找到root节点2. 在中序遍历序列中找到root出现的下标位置,记为root_iter. root_iter左边的为左子树的中序遍历序列,长度为lTreeSize, 右边为右子树的中序遍历序列。3. 先序遍历序列中...
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其他好文 时间:
2015-04-17 20:09:25
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118
题目链接: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 th...
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其他好文 时间:
2015-04-17 18:15:57
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159
#include
using namespace std;
class btree
{
public:
btree *left;
btree *right;
int data;
btree(int i):left(NULL),right(NULL),data(i){}
~btree();
void insert(int a);
static void inorder(...
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编程语言 时间:
2015-04-16 23:49:18
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372
中序遍历按照“左孩子-根结点-右孩子”的顺序进行访问。1.递归实现void inOrder(BinTree* root){ if(root!=NULL) { inOrder(root->lchild); coutdata; inOrder(root->rchild); }}2...
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其他好文 时间:
2015-04-16 19:28:09
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156
problem:
Given a binary tree, return the inorder traversal of its nodes' values.
For example:
Given binary tree {1,#,2,3},
1
2
/
3
return [1,3,2].
Note: Rec...
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其他好文 时间:
2015-04-16 10:27:18
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119
题目链接: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 ...
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其他好文 时间:
2015-04-16 10:24:42
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137
题目:An inorder binary tree traversal can be implemented in a non-recursive way with a stack. For example, suppose that when a 6-node binary tree (with ...
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其他好文 时间:
2015-04-12 16:06:42
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107
一:LeetCode 105 Construct
Binary Tree from Preorder and Inorder Traversal
题目:
Given preorder and inorder traversal of a tree, construct the binary tree.
Note:
You may assume that duplicates d...
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其他好文 时间:
2015-04-12 14:50:20
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117
二叉树遍历的三种方法递归简单时间O(n)空间O(n)非递归+栈中等时间O(n)空间O(n)非递归、不用栈中等时间O(n)空间O(1)伪代码实现--近C++代码方法一:递归1 Inorder-Tree-Walk(x)2 if(x != NULL)3 Inorder-Tree-W...
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其他好文 时间:
2015-04-11 16:08:59
阅读次数:
142