coins.scala

	def countChange (money: Int, coins: List[Int]): Int = {
		def count(money: Int, coins: List[Int]): Int = {
			if (coins.tail.isEmpty) {
				if (money % coins.head == 0) 1
				else 0
			}
			else if (money == 0) 1
			else if (money < coins.head) count(money, coins.tail)
			else count(money - coins.head, coins) + count(money, coins.tail)
		}

		val sortedCoins = coins.sorted.reverse

		if (coins.isEmpty || money < sortedCoins.last) 0
		else count(money, sortedCoins)

	}