Author: Unknown
Subject: Hwk2 warning message
Date: Tuesday, 25 Feb 2020, 10:52:56

Hi, on the hw2 Gradesheet, I got 1 mark deducted due to the warning message "implicit declaration of function 'isdigit'"
I didn't know that we cannot use 'isdigit' in hw2, since we are allowed to use that function in hw1 ... Are we required to remove any warning message unless the specs explicitly state that we can use a certain function?