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树的前提确定了，任意结点都可作为根。In Reply To:AC,看来测试数据中1始终是树根。。。 Posted by:jlw686 at 2008-06-30 07:51:25 > http://hi.baidu.com/jlw686/blog/item/10624aef71bc9e33adafd5ee.html Followed by: Post your reply here: |
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