C++ Matrix HELP!!!

Hello.
I have the following problem: given a matrix V (n, m). Reverse the order of the matrix in two rows where amount of numbers are maximum and minimum (in the lines). Print matrix before and after modification.
Given:
5 6 "- these are numbers of rows and colums"
12 -25 45 2 8 10
-2 -6 15 13 55 -9
14 15 -5 -9 -8 19
-1 -2 -3 -4 -5 -6
8 9 9 9 5 2

I need only parts were you are counting min and max in the lines and how to change these lines in matrix. Sorry for mistakes. Thanks for your reply.

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