This is the link to my code which i submitted before viewing the test cases. According to the the online checker third test case which is 3 2 0 2 is not satisfied, the answer to this is 2, which when I ran on the same code, gave me the same answer but it still shows wrong answer. Please look into it.
The third test case after simulation comes out to be wrong which isn't
check for this input
5
1 2 1 4 5
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