Please show your input file "contacts.txt".
Do you realize that your run line ("./project1 <contacts.txt") is using input redirection? Which means that the above file should contain all your input in the order required.
Please show your input file "contacts.txt".
Do you realize that your run line ("./project1 <contacts.txt") is using input redirection? Which means that the above file should contain all your input in the order required.