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Better fibonacci
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| (setq fibonacci-list `(0 1 1 2 3 5 8 13 21 34 55)) | |
| (defun compute-fibonacci (n) | |
| (let ((x (+ (get-fibonacci (- n 1)) | |
| (get-fibonacci (- n 2))))) | |
| (prog2 | |
| (setq fibonacci-list (append fibonacci-list (list x))) | |
| x))) | |
| (defun get-fibonacci (n) | |
| (if (<= n (list-length fibonacci-list)) | |
| (nth (- n 1) fibonacci-list) | |
| (compute-fibonacci n))) |
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