Some confusions about contest 2001 problem B

Revision en1, by 3c_273, 2024-09-12 12:53:48

My friend gave me a hack sample 2 3 1 6 5 4 and it seems that it works. If I made a mistake, pls point it out. Thx for reading ^_^

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en1 English 3c_273 2024-09-12 12:53:48 175 Initial revision (published)