Brute approach for submatrix sum

#1

shoulnot the iteration for finding bottom right start from li and not li+1 because single element rectangle otherwise would not be included?

#2

Hello @Vibhuti0206,
Yeah it should be start from li if we consider single element as rectangle.

#3

Hello @Vibhuti0206,
check out this code - https://ide.codingblocks.com/s/174552 .
I have prepared this for you . it will clear your both doubt.
i.e
a) how to pass 2d matrix
b) whether bottom right start from li+1 or li

#4

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