Loose dataset

Правка en1, от froghramar, 2017-02-03 07:56:50

I want to talk about the problem 761C - Dasha and Password. Is this input valid?

3 3
11a
111
***

If yes then how this (24401506) submission passes? My solution can not find any solution for this input. Can someone please explain?

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en1 Английский froghramar 2017-02-03 07:56:50 270 Initial revision (published)