Merge Sort Question

#1


My code is giving correct output when i am running it on my machine but while i am submitting it, all test cases say run error.
I think the problem is with the constraints. I don’t know how to handle such huge constraints.

#2

hi
dont do line this a[n] either allocate dynamically or hgav e it a size
and gave size in your code to 1000000 to all array used

#3
#4

I am still getting run error in every test case.

#5

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