| 3 | import java.util.List; |
| 4 | /*Print all the Combinations of Change for a given Amount*/ |
| 5 | class CoinChangeCombination { |
| 6 | |
| 7 | private static List<Integer> coins; |
| 8 | private static int count=0; |
| 9 | |
| 10 | private static void init() { |
| 11 | coins = new ArrayList<Integer>(); |
| 12 | coins.add(1); |
| 13 | coins.add(3); |
| 14 | coins.add(5); |
| 15 | coins.add(9); |
| 16 | coins.add(10); |
| 17 | coins.add(14); |
| 18 | coins.add(18); |
| 19 | coins.add(23); |
| 20 | } |
| 21 | |
| 22 | /*Prints all comninations of the coin change*/ |
| 23 | public static void coinCombinations(int amount,int index,LinkedList<Integer> list) |
| 24 | { |
| 25 | if(amount==0) |
| 26 | { |
| 27 | count++; |
| 28 | System.out.println(list); |
| 29 | return ; |
| 30 | } |
| 31 | |
| 32 | if(amount < 0) |
| 33 | return ; |
| 34 | |
| 35 | for(int i=index ; i < coins.size();i++) |
| 36 | { |
| 37 | int coin = coins.get(i); |
| 38 | if(amount >= coin) |
| 39 | { |
| 40 | list.add(coin); |
| 41 | coinCombinations(amount - coin ,i,list ); |
| 42 | list.removeLast(); |
| 43 | |
| 44 | } |
| 45 | } |
| 46 | } |
| 47 | |
| 48 | public static void main(String[] args) { |
| 49 | int amount = 175; |
| 50 | init(); |
| 51 | coinCombinations(amount,0,new LinkedList<Integer>()); |
| 52 | //System.out.println("Number of Combinations :" + count); |
| 53 | } |
| 54 | } |
nothing calls this directly
no outgoing calls
no test coverage detected