this is my sumission what is wrong in this
thank you
The contest is still going on. Please do not ask questions about an ongoing contest. Read Code of Conduct
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You cannot ask questions from an ongoing contest.
Wait for it to end. Till then keep trying 
As the contest is now over, you can discuss about the problem now. The link you’ve shared isn’t visible to me. Please share some other link or an Ideone link, if possible.