Isle of Wight PC User Group
PRIZE PUZZLE FOR JULY 2005
Please send me, David Broughton, your sketch or GIF file by Wednesday 3rd August 2005 to be entered into the prize draw.
To make a copy of the diagram, right click on it and select "Copy" from the menu of choices -- or you can print it directly by selecting "Print Picture".
|Some members are having difficulty in
understanding the problem so I have shown at the left the start
of a solution. Note that ALL line segments have to be cut once
and once only so you have to take your red line outside the
diagram; your red line must not go through a junction; it must
not cross itself; it can start and finish wherever you want it
to, not necessarily as shown here and the two ends don't have to
To see an answer, continue to scroll down.
|Here is one possible answer. The secret is
to first identify the areas bounded by an odd number of line
segments. These are shown as red circles. Obviously, these must
be the areas to start and finish. It is then a simple matter if
finding a track to cut all the other line segments.
I had only one correct answer, which was from John Stafford. So there was no prize this month as we have to have a minimum of three correct entries to go in the draw.