Created
May 29, 2018 15:25
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sicp 1.1 iterative
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| (define (f n) | |
| (f-iter 0 1 2 n) | |
| define (f-iter a b c count) | |
| (cond (= count 0) a) | |
| (= count 1) b) | |
| (= count 2) c) | |
| else f-iter b c (+c (* 2 b) (* 3 a) (- count 1) |
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