help required in spoj problem KGSS

Can someone please help me with this [problem][1] from spoj on segment trees. I am storing maximum and second maximum element at each node of tree but getting wrong answer.
Here is my

Any help is appreciated.:)


There is a small mistake. The update operation “sets the value of A[i] to x”, not to max(A[i], x).

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Thanks man! Helped a lot :slight_smile: