Anonymous
public text v1 · immutable(define (mult-table n m)
(cond
[(or (zero? n) (zero? m)) empty]
[else (cons (multiplylist n n (listup m m)) (mult-table (sub1 n) m))]))
(define (listup r s)
(cond
[(zero? s) empty]
[else (cons (add1 (- r s)) (listup r (sub1 s)))]))
(define (multiplylist x y lst)
(cond
[(empty? lst) empty]
[else (cons (* (add1 (- x y)) (first lst)) (multiplylist x (sub1 y) (rest lst)))]))
(mult-table 3 4)