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I understood your explanation and i've got AC. Thank you very much. Tough i think this problem could be better explained to avoid confusion.

For the moderators: I created this thread continuation cause the other thread didn't covered the subject i gonna talk about here.

I would like to clearify this problem once one of its sample test cases seems mismatched with the problem specifications.
The problem states that In the case there is no ...

Right. It makes sense, since they can have the same height. Thank you very much!

Hello! I've tested this problem with a lot of inputs and it seems like i get correct answers. Tough it isn't working in the submission system, cause it raises wrong answer. Could someone tell me where is the error on my Source Code. Here it is: