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LeetCode:Verify Preorder Serialization of a Binary Tree
Verify Preorder Serialization of a Binary Tree Total Accepted: 14360 Total Submissions: 44550 Difficulty: Medium One way to serialize a binary tree is to use pre-order traver...
分类:其他好文   时间:2016-06-16 10:33:53    阅读次数:356
105. Construct Binary Tree from Preorder and Inorder Traversal
这个我以前写过好几次了……把以前的粘上来吧 先序遍历的第一个数就是树的根,然后在中序遍历里面找到这个根的位置,它左边的就是左子树,右边的就是右子树,例如: 如果一个树的先序遍历结果是1245,中3687序是42516837。 那么它的跟就是1,用1把中序分成两半,左子树就是425,长度为3,右子树就 ...
分类:其他好文   时间:2016-06-10 06:15:25    阅读次数:187
【Leetcode】Verify Preorder Serialization of a Binary Tree
题目链接:https://leetcode.com/problems/verify-preorder-serialization-of-a-binary-tree/ 题目: One way to serialize a binary tree is to use pre-order traversal. When we encounter a non-null node, we rec...
分类:其他好文   时间:2016-05-30 15:14:14    阅读次数:138
Leetcode 之Binary Tree Preorder Traversal(42)
树的先序遍历。定义一个栈,先压入中间结点并访问,然后依次压入右、左结点并访问。 vector<int> preorderTraversal(TreeNode *root) { vector<int> result; stack<TreeNode *>s; TreeNode *p; p = root; ...
分类:其他好文   时间:2016-05-28 16:00:27    阅读次数:138
144. Binary Tree Preorder Traversal
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分类:其他好文   时间:2016-05-26 10:20:51    阅读次数:149
LeetCode-Binary Tree Preorder Traversal[二叉树]
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分类:其他好文   时间:2016-05-25 21:57:55    阅读次数:110
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. ...
分类:其他好文   时间:2016-05-22 22:47:58    阅读次数:161
【Leetcode】Construct Binary Tree from Preorder and Inorder Traversal
题目链接:https://leetcode.com/problems/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 ass...
分类:其他好文   时间:2016-05-22 12:25:16    阅读次数:160
105. Construct Binary Tree from Inorder and preorder Traversal
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分类:其他好文   时间:2016-05-18 09:07:07    阅读次数:123
LeetCode Binary Tree Preorder Traversal
采用非递归的方法进行二叉树的前序遍历。...
分类:其他好文   时间:2016-05-13 15:13:50    阅读次数:116
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