Created
August 12, 2008 02:58
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| (define (fast-pow a n) | |
| (cond ((= n 0) 1) | |
| (else | |
| (let ((x (fast-pow a (quotient n 2)))) | |
| (cond ((odd? n) (* a x x)) | |
| (else (* x x))))))) | |
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