Description: (1) input sequence of characters, the establishment of binary list. (2) traversal of binary tree: recursive algorithm. (3) in order binary tree traversal: Non-recursive algorithm (the best can achieve the first order, after the sequence of non-recursive algorithm). (4) for tree height. (5) for the number of tree leaves. (6) in order to establish clues to binary tree and traversal implementation. (8) through the queue to achieve the level of binary tree traversal. (9) in the main function in the design of a simple menu, respectively, the above algorithm debugging.
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