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Discussion of Problem 1145. Rope in the Labyrinth

If the size of matriz is 3...
Posted by GastonFontenla 16 Aug 2015 02:58
If the matrix size is 3, with the given contraints, it won't be "2 special cells", because 8 of them will be walls, and will be only one free cell. Could be that those special cells were located at the same place? Please drop some light on that. Thanks
Re: If the size of matriz is 3...
Posted by esbybb 16 Jan 2017 09:15
looks like someone has found a special case here ;) either 3x4 or 4x3 has two points, 3x3 does not