if there are no ? in S, then do we have to print the string itself as the answer? plz help…thnx in advance
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Yes, if the string is a valid answer…
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can you provide more test cases. I am not able to find why my code is resulting in wrong answer.pls help
read this - http://discuss.codechef.com/questions/855/what-kind-of-comment-should-i-post-on-the-problem-page
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need more test cases please ?? 
1 tricky test case plzzz
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You CANNOT ask such qustions in while contest is running.
Read more here: http://discuss.codechef.com/questions/855/what-kind-of-comment-should-i-post-on-the-problem-page
I keep failing with runtime error. How can I find what’s the actual error?