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iOS Objective-C Basics Scope and Loops Review Scope and Loops

gurminder thind
PLUS
gurminder thind
Courses Plus Student 10,062 Points
Posted by gurminder thind
gurminder thind
Courses Plus Student 10,062 Points

Not able to view anything in Preview, it just displaying "too many errors emitted"

How do I proceed further?

variable_assignment.mm 
int mathTotal;
BOOL isComplete;