CSP 1.1.6: Variable Roles II

Which variable role involves a predetermined sequence of values?

• Stepper

• Best-So-Far

• Walker

• One-Way-Flag

Which variable role will take on the values of elements of an iterator

• Stepper

• Best-So-Far

• Walker

• One-Way-Flag

Which variable role involves holding the record?

• Stepper

• Best-So-Far

• Walker

• One-Way-Flag

Which variable role involves determining whether a condition is met?

• Stepper

• Best-So-Far

• Walker

• One-Way-Flag

A variable that has the role of one-way-flag will

• have a value of true or false

• have an integer value

• have a list of elements

• have sequential values

A variable that has the variable role of walker will...

• have the value of each element in a list.

• have the value of true or flase

• be a list of elements

• have integer values

A variable that has the variable role of stepper is...

• usually used to count

• a list of elements

• true or false

• usually to keep track of the best score (record)