Question

Consider the following pseudocode function.

function Crunch(x is in R)
if

x ≥ 100
then
return

x/100

else
return x + Crunch(10 · x)

(a) Compute Crunch(5).
Crunch(5) =

(b) What happens if you try to compute Crunch(−24)? What does this suggest about an appropriate precondition for this function?

Answer 1

this might be a bit difficult to answer if you're not familiar with basic coding, but

when you plug 5 into the function, check the "if" condition to see if 5 satisfies the condition, otherwise, move to the "else" statement, then report the value that is ~returned~ by the function