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Sat 13 Nov, 2010 10:59 pm
There's 9 room in a hotel in order like this
123
456
789
you can only enter from one and exit from one
you must go in every single room and exit on one
you can't go diagonal
you can't go in a room twice
@dadpad,
You must enter and exit from one room, not room one. But you must enter every room and exit on room one. So the answer is, you start at room nine and work your way backwards.
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