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Discussion of Problem 1112. Cover

WA9
Posted by Facundo 18 Jan 2013 04:19
What's Test 9?

My algo is:
Search the segment with more intersections and delete it (repeat while the segment got 0 intersections)
Is it wrong?
Re: WA9
Posted by PanVovan 22 Mar 2014 20:04
yes it is wrong

7
1 3
2 5
2 5
4 7
6 9
6 9
8 10