Whats wrong with this code?

#1

I have implemented the sub matrix sum query,no errors but its not giving the output,plz check this once…

#2

@aatish08
hello Aatish,
check this part of ur code

image
image753×205 4.83 KB

here when i and j will start from zero. in that case i-1 will be -1 and j-1 will be -1 so u will be accessing prev[-1][-1] which is wrong.

#3

I did the correction but its throwing run time error now

#4

@aatish08
pls send ur updated code and the problem link

#5


Its working now thanks for the help

#6

@aatish08
cool ,pls dont forget to mark it resolve

#7

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