How does the recursion preorder traversal algorithm go back to parent?
前序遍历的递归算法如何回到父母吗？
Vessel segments in two images are matched by the preorder traversal of the binary trees, and the method is proved fast and accurate.
同时根据二叉树的前序遍历结果匹配血管段，有效地提高了匹配的速度和准确度。
Enter the tree traversal Preorder traversal of the results and the results of established tree and gives the results after the traversal.
输入树的前序遍历结果和中序遍历结果建立起这棵树并给出后序遍历结果。
But moving backward is more complicated, because internally the iterator performs a depth-first, preorder traversal of the Rope, visiting each of its leaf nodes.
但是向后移动要复杂些，因为迭代器内部执行的是深度优先算法，预先排好了Rope遍历的顺序，需要访问每个叶节点。
At present, preorder traversal algorithm is wildly used for OID serializing. However, great maintenance overhead is inevitable when we adopt this algorithm.
现在普遍采用的OID序列化方法是前序算法，但是该算法代价很大。
In the data structure, the binary tree can be uniquely confirmed when the nodes sequences of this binary tree for preorder traversal and inorder traversal are knows.
在数据结构中，已知一棵二叉树的先序序列和中序序列，可唯一确定此二叉树。
Given preorder and inorder traversal of a tree, construct the binary tree.
给定一个二叉树的前序和中序遍历，重建这棵二叉树。
Given preorder and inorder traversal of a tree, construct the binary tree.
给定先序和中序遍历，构造二叉树。
Given preorder and inorder traversal of a tree, construct the binary tree.
给定先序和中序遍历，构造二叉树。
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