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Re:试问你这个是一棵树么。。。In Reply To:贴组数据……答案是2……虽然偶用ac的程序跑出来是1……~~~~(>_<)~~~~ Posted by:rayafjyblue at 2011-06-15 20:11:35 你这个不是树把。。。 按照第一个数是第二个数的father，你这个明显不是树额。。。 Followed by: Post your reply here: |
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