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Given a tree, you are supposed to list all the leaves in the order of top down, and left to right.Input Specification:Each input file contains one test case. For each case, the first line gives

03-树3 Tree Traversals Again (25分)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 the keys numbere

04-树6 Complete Binary Search Tree (30分)A Binary Search Tree (BST) is recursively defined as a binary tree which has the following properties:The left subtree of a node contains only nodes with