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Update NumberOfCoin.java #126

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Update NumberOfCoin.java #126

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19 changes: 17 additions & 2 deletions src/main/java/org/telran/lecture_10_greedy_algo/practice/coin/NumberOfCoin.java
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Original file line number Diff line number Diff line change
Expand Up @@ -18,8 +18,23 @@ public static void main(String[] args) {
}

private static List<Integer> getChange(int sum, int[] coins) {
if (coins == null || coins.length == 0){
throw new IndexOutOfBoundsException("Invalid coins array.");
}

List<Integer> result = new ArrayList<>();
// You code here
return result;
List<Integer> coinsList = Arrays.stream(coins).boxed().sorted(Comparator.reverseOrder()).toList();
int sumCopy = sum;
for (int coin : coinsList) {
while (sumCopy >= coin) {
if (sumCopy == coin) {
result.add(coin);
return result;
}
sumCopy -= coin;
result.add(coin);
}
}
return new ArrayList<>();
}
}