Sum of all submatrix approch 1 code

#1

i understand the logic but my code couldnot give the correct output .
please, send me code with expanation…

#2

Hey could you provide me your code so that I can tell you what is your mistake, in that way you would learn more.

#3

Also the video describes a O(n^6) approach, you can do this in O(N^2), for that try to find in how many rectangle a given element is present.

#4

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