Created
July 1, 2012 04:14
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breadth-first-search
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| (define (bfs tree) | |
| (if (not (null? tree)) | |
| (let loop ((p (list tree)) (q '())) | |
| (if (null? p) | |
| (if (not (null? q)) | |
| (loop q '())) | |
| (begin | |
| (display (caar p)) | |
| (newline) | |
| (loop (cdr p) (append q (cdar p)))))))) | |
| (bfs '(1 (2 (4 (9)) (5) (6)) (3 (7 (10) (11) (12)) (8 (13 (14)))))) |
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