Need help getting this ouput the language c++ please use begginer code easy to understand and this is a makefile

the text in red is inside a file i named lab.cpp

and the code for the text in black is in a file named Array.cpp

Enter array length to populate (between 1-10) Enter value for index myarray[O] Enter value for index myarray[1] Enter value for index myarray[2] Enter value for index myarray[3] Enter value for index myarray[4] 6 Function CountArray was called and 5 array values were updated Array values are: 4121 0. Their sum is: 26