http://mirror.codeforces.com/contest/525/submission/17522765
What's wrong with my code? Could someone help me?
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Denial of Judgement is rare and is due to a crash . Try resubmitting .
Thanks.But I have tried it three times.
Well, I have same verdict, but for another problem. I think there is problem with Codeforces grader.
Very strange.I found my code had been AC when I woke up.