一道思索数年的小学题目
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作者:fool (等级:11 - 出神入化,发帖:5183) 发表:2003-05-30 17:50:00  5楼 
ha? is the simplified version of Euler circle?if you want to have any EUla circle, then every points must have Even path linking out if you want just go through , no need to come back then can have one point with odd number of paths linking out...
some of your statement is wrong
if you want just go through , no need to come back
then can have one point with odd number of paths linking out...

I think it's wrong. Make a simple example.

5 points in a straight line.
got 2 points with odd number of path, right?

From what I have known, to be a shape that can go through at once, it will have the property below.
The point of odd number of paths linking out should be less than 2 or even number. However, not all the shapes fulfil this requirement can be a euler circle.
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