Weird problem

Правка en1, от luka25, 2016-11-08 16:06:22

I've come across to weird thing, the problem itself is easy but I don't understand how to read input.I know only solving codeforces like problems so could anybody explain how to do it?

https://paradox.kattis.com/problems/paradoxpath

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en1 Английский luka25 2016-11-08 16:06:22 248 Initial revision (published)