Discussion @ 1603. Erudite @ Timus Online Judge

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Discussion of Problem 1603. Erudite

What means "self-intersections"?

Posted by prtest 15 Mar 2008 16:30

I can't understand the word.
What does it mean?
Thanks.

Re: What means "self-intersections"?

Posted by Piratek-(akaDK) 16 Mar 2008 16:05

If tou take that letter from that cell you can not take it again