Looking for help on this C++ program:

1.) Write a program that takes a command line argument for the name of a file. The program then reads two matrices (whose entries are integers) from the file, with both matrices guaranteed to be of the same dimensions. The matrices will be separated from each other in the file by a blank line. The entries in each row of the matrix will be separated by a blank space, with no characters other than spaces and those forming the integers appearing on each separate line. The program then outputs the sum of the two matrices to a file with each row of the matrix on a separate line in the file, and the entries of each row in the matrix separated by a space.