import java.util.*; public class kie { private List<Integer> banknotes; public static void main(String[] args) { kie kieszonkowe = new kie(); kieszonkowe.readValuesFromCommandLine(); System.out.print(kieszonkowe.calculateMaxPossibleSum()); System.exit(0); } private String calculateMaxPossibleSum() { long maxSum = 0; long tempMaxSum = 0; for (int currentIndex = banknotes.size() - 1; currentIndex >= 0; currentIndex--) { tempMaxSum = 0; for (int i = banknotes.size() - 1; i >= 0; i--) { tempMaxSum += banknotes.get(i); } if(tempMaxSum %2 != 0) { tempMaxSum = 0; for (int i = banknotes.size() - 1; i >= 0; i--) { if(i != currentIndex) { tempMaxSum += banknotes.get(i); } } } if (tempMaxSum % 2 == 0) { if (tempMaxSum > maxSum) { maxSum = tempMaxSum; break; } } } if (maxSum > 0) { return Long.valueOf(maxSum).toString(); } return "NIESTETY"; } private void readValuesFromCommandLine() { Scanner sc = new Scanner(System.in); sc.nextLine(); String[] parameters = sc.nextLine().split(" "); banknotes = new ArrayList<Integer>(); for (String param : parameters) { banknotes.add(Integer.valueOf(param)); } Collections.sort(banknotes); Collections.reverse(banknotes); } }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 | import java.util.*; public class kie { private List<Integer> banknotes; public static void main(String[] args) { kie kieszonkowe = new kie(); kieszonkowe.readValuesFromCommandLine(); System.out.print(kieszonkowe.calculateMaxPossibleSum()); System.exit(0); } private String calculateMaxPossibleSum() { long maxSum = 0; long tempMaxSum = 0; for (int currentIndex = banknotes.size() - 1; currentIndex >= 0; currentIndex--) { tempMaxSum = 0; for (int i = banknotes.size() - 1; i >= 0; i--) { tempMaxSum += banknotes.get(i); } if(tempMaxSum %2 != 0) { tempMaxSum = 0; for (int i = banknotes.size() - 1; i >= 0; i--) { if(i != currentIndex) { tempMaxSum += banknotes.get(i); } } } if (tempMaxSum % 2 == 0) { if (tempMaxSum > maxSum) { maxSum = tempMaxSum; break; } } } if (maxSum > 0) { return Long.valueOf(maxSum).toString(); } return "NIESTETY"; } private void readValuesFromCommandLine() { Scanner sc = new Scanner(System.in); sc.nextLine(); String[] parameters = sc.nextLine().split(" "); banknotes = new ArrayList<Integer>(); for (String param : parameters) { banknotes.add(Integer.valueOf(param)); } Collections.sort(banknotes); Collections.reverse(banknotes); } } |