Please someone help to solve this problem. A little help or a hint will be really appreciated.
The problem is this. CLICK HERE to see the problem. Thank you in advance.

Brother, this Problem is called ‘Compiler Design’ as posted in the form of programming challenge in You might very well be knowing that but please don’t ask for such help not only at codechef but on any such forum. Seems like you copied the contest problem, used & stuff like that. You should not lose hope. Keep on trying, you surely would be able to get through it. There’s no such liability as you have to bring forth correct answer. Enjoy coding for the advantages it has.

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