CSC 309 Object-Oriented Programming in C++
Homework #3
Due: Jan 24 [Loop], 25 [DL] (1 week)

Do the Programming Exercise 4.11 (p.276) with some additional specifications (REQUIRED) as follows.

Enter the name of the data file: em1.txt

*** INVALID ENTRIES ***
5: .m.a.alam@bristol.ac.uk
7: amar@igcar
12: rumenia @rusys.eg.net
13: jeremie@debaerdermaeker@rug.ac.be
15: bba@neu-.edu
18: CDBELING.hkucc
21: @boerner@physik.uni-halle.de
23: BORONSKI@apollo.int.!pan.wroc.pl
26: DTB@physci.uct.ac.

Submission