solve using c++ fast plzz

Write a function called "AddRows" that accepts two parameters: M1: a matrix of size 6x4 elements of type integer A1:a one dimensional array of size 4. For each column in M1, the function will calculate and store in the corresponding element of array A1, the sum of the elements located in odd rows of M1. For Example if M1 = 7 6 12 4 9 7 3 6 un 00 8 10 2 10 5 8 5 3 3 4 U 5 12 12 10 6 Then A1 = 18 31 22 17