How to reduce the time complexity

#1

here is the code

#2

@hhiteshbansal_40d12e2460a1738e,
your logic is incorrect your are just counting no of subarrays it says distinct subarrays is required
eg :
ar[] = {1,1,1} your output is 10 again but we see only 3 distinct {1,1,1} so calculate length accordingly here 3
refer to this : https://ide.codingblocks.com/s/656164

#3

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