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Consider the following Scheme program: (define (foo n) (if (
Consider the following Scheme program:
(define (foo n) (if (<= n 0) 0 (foo (- n 1))))
When we evaluate (foo 5), how many times is foo called in total?
31 | |
5 | |
64 | |
32 | |
63 | |
6 |
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