Why is this giving a TLE error? all seems fine.!

http://www.codechef.com/viewsolution/6604106

please point out the error…

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You may be getting TLE because you are using an algorithm with complexity O(n^2). As n can be as large as 10^5 you will be doing 10^10 operations which may be exceeding the time limit. Try reducing the time complexity of your algorithm.