Обсуждение @ 1563. Баяны @ Timus Online Judge

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Обсуждение задачи 1563. Баяны

i cant understand the problem statement some one please help

what is the meaning of this statement in problem
"There are no brands, that differ only in register. "

Re: i cant understand the problem statement some one please help

Послано Sergey Lazarev (MSU Tashkent) 29 июл 2009 15:00

If there is word "abc" in the input, then there are no words "ABC", "aBc", "ABc", ...

Re: i cant understand the problem statement some one please help

i got it, thank you