Run time error or memory limit exceeded

help
1

I am in a weird situation right now.
My answer is correct for 2 test cases but it is displaying run time error for 3rd and last test case, i had used two 1d array and one 2d array where m and n are 10^5 , so am i coming across memory limit exceeded case or something else?

2

google search exist.

3

if the problem is not from ongoing contest then you can post the question link and your answer so i can debug the code…

4

This is from an on-going contest.

5

Since this is from an on-going contest, you cannot ask specific questions related to it. Here are some links to resolve RE/NZEC Error I found on Google Search.
GFG
CC
SO

6

yeah problem is from ongoing contest, so i won’t be able to share it