Maximum sum of sub arrays

#1

in this why we take -1 for left and right i.e. for i and j.

#2

Hey @vrcoolbuddy08
because if array is
-1 -2 -3
then for this ans should be 0 and subarray is empty subarray
so to also include this we have don that
if left and right value==-1 then empty subarray is ans

#3

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