Created
July 12, 2012 08:29
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s = 1, 3, ... 99 をすべて足す
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| (define (make-list proc st en) | |
| (cond ((= st en) (cons (proc en) '())) | |
| (else (cons (proc st) | |
| (make-list proc | |
| (+ st 1) | |
| en))))) | |
| (reduce + 0 (make-list (lambda (n) (+ 1 (* 2 n))) 0 49)) |
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