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Re:K = 20

Posted by 117474335 at 2010-09-28 22:26:15 on Problem 1707 and last updated at 2010-10-02 10:28:28
In Reply To:K = 20 Posted by:applepi at 2010-09-28 22:06:56

我的血泪史： 
    一定要记住： 搜杨辉三角时要搜到21， 每一位赋值时一定要赋到k + 1， （尤其当k = 20时， 要到21， 我就在这儿葬送了4次wa）；

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