converting string to int

[mmcdermott2212]

I am a student learning c++. I am trying to write a program where a user enters two times and the program returns the time that has elapsed between them. I have the users entering the time as a string because of the colon seperating hours from minutes. In order to do the processing part I need to turn the strings into integer values. Can anyone give me a hand? Keep in mind this is an intro course so I shouldn't be using to complex of functions.

[hamsterman]

http://www.cplusplus.com/articles/Sy86b7Xj/

[mmcdermott2212]

thank you very much. that is exactly what i needed