How is the given test case true?

#1

if we divide the given test case into two sequence both are increasing…!!

#2

See in this testcase there is no dec part…that is why we are having only one incr sequence…the idea is that once the seq strats incr it cant decrease

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#3

According to the question, the following possibilities may arise after splitting a sequence into two sequences:

-First Sequence is strictly decreasing , 2nd sequence is strictly increasing–> return true
-First Sequence is strictly increasing, 2nd sequence strictly decreases-------> return false
-If one sequence is empty and the other sequence is strictly increasing/decreasing—>return true.

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#4

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