Discussion @ 1112. Cover @ Timus Online Judge

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Discussion of Problem 1112. Cover

For everyone who got WA5

Posted by Olzhas aka Whale2dy 31 May 2007 02:53

Everything is simple. I've got WA5 several times and finally found what's wrong. Consider this test:
2
1 2
1 2
The answer should be
1
1 2
GL

Re: For everyone who got WA5

Posted by wuchun 7 Mar 2009 08:28

My answer is
1
1 2
But I still got WA5,Why?