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本题的讨论会很有意思的,你的出处很熟悉,我明年得改了哈
林凯
其实LukeNine45已经指出这题没有答案。我没看出来,以为是打劫,真不好意思。
Translation: Actually LukeNine45 has already pointed out that this problem has no solution. I didn't read it correctly, and thought that it was a ko, apologies for that.