Data commit

Task/Abundant-odd-numbers/Java/abundant-odd-numbers.java

@@ -0,0 +1,44 @@
+import java.util.ArrayList;
+import java.util.List;
+
+public class AbundantOddNumbers {
+    private static List<Integer> list = new ArrayList<>();
+    private static List<Integer> result = new ArrayList<>();
+
+    public static void main(String[] args) {
+        System.out.println("First 25: ");
+        abundantOdd(1,100000, 25, false);
+
+        System.out.println("\n\nThousandth: ");
+        abundantOdd(1,2500000, 1000, true);
+
+        System.out.println("\n\nFirst over 1bn:");
+        abundantOdd(1000000001, 2147483647, 1, false);
+    }
+    private static void abundantOdd(int start, int finish, int listSize, boolean printOne) {
+        for (int oddNum = start; oddNum < finish; oddNum += 2) {
+            list.clear();
+            for (int toDivide = 1; toDivide < oddNum; toDivide+=2) {
+                if (oddNum % toDivide == 0)
+                    list.add(toDivide);
+            }
+            if (sumList(list) > oddNum) {
+                if(!printOne)
+                    System.out.printf("%5d <= %5d \n",oddNum, sumList(list) );
+                result.add(oddNum);
+            }
+            if(printOne && result.size() >= listSize)
+                System.out.printf("%5d <= %5d \n",oddNum, sumList(list) );
+
+            if(result.size() >= listSize) break;
+        }
+    }
+    private static int sumList(List list) {
+        int sum = 0;
+        for (int i = 0; i < list.size(); i++) {
+            String temp = list.get(i).toString();
+            sum += Integer.parseInt(temp);
+        }
+        return sum;
+    }
+}