(define (count-change amount) (cc amount 5) )
(define (cc amount kinds-of-coins)
(cond((= amount 0) 1)
((or (< amount 0) (= kinds-of-coins 0)) 0)
(else (+ (cc amount (- kinds-of-coins 1)) (cc (- amount (first-denomitation kinds-of-coins)) kinds-of-coins)))
))
(define (first-denomitation kinds-of-coins)
(cond((= kinds-of-coins 1) 1)
((= kinds-of-coins 2) 5)
((= kinds-of-coins 3) 10)
((= kinds-of-coins 4) 25)
((= kinds-of-coins 5) 50)
))
(count-change 100)
