摘要： 给定一棵二叉树的中序遍历和前序遍历，请你先将树做个镜面反转，再输出反转后的层序遍历的序列。所谓镜面反转，是指将所有非叶结点的左右孩子对换。这里假设键值都是互不相等的正整数。 输入格式： 输入第一行给出一个正整数N（<=30），是二叉树中结点的个数。第二行给出其中序遍历序列。第三行给出其前序遍历序列。 阅读全文

摘要： You are to determine the value of the leaf node in a given binary tree that is the terminal node of a path of least value from the root of the binary 阅读全文

摘要： Trees are fundamental in many branches of computer science. Current state-of-the art parallel computers such as Thinking Machines’ CM-5 are based on f 阅读全文