Help me with Constraints in this Program Not understanding anything

i need help with constraint

I think you are new to codechef. Rules and regulation during a contest:
‚ÄúDiscussing CodeChef‚Äôs problems or any aspect of problem, on any other platform on web, on identification, could lead to disabling of respective account and banning from the community‚ÄĚ .So I would suggest you to delete this question as soon as possible.

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ok how do i delete it

ok i dont know how to delete it but i have edited and removed code