fredhsu

(defn first-denomination [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))
(defn cc [amount kinds-of-coins]
  (cond (= amount 0) 1
        (or (< amount 0) (= kinds-of-coins 0)) 0
        :else (+ (cc amount