Code Review
Compare your solutions
(define (solution y x)
(cond ((= x y) 1)
((= x 1) 1)
(else (+
(solution (- y 1) x)
(solution (- y 1) (- x 1))))))
(define (solution y x)
(cond ((= x y) 1)
((= x 1) 1)
(else (+
(solution (- y 1) x)
(solution (- y 1) (- x 1))))))