solves count odd numbers in interval range

Author: anishLearnsToCode

README.md

@@ -384,7 +384,7 @@
 | 1507 | [Reformat Date](https://leetcode.com/problems/reformat-date)                                                                                         |                                                                  [![Java](assets/java.png)](src/ReformatDate.java)                                                                   |                                                                                                                                   |
 | 1512 | [Number of Good Pairs](https://leetcode.com/problems/number-of-good-pairs)                                                                           |                                                                [![Java](assets/java.png)](src/NumberOfGoodPairs.java)                                                                |                                                                                                                                   |
 | 1518 | [Water Bottles](https://leetcode.com/problems/water-bottles)                                                                                         |                                                                  [![Java](assets/java.png)](src/WaterBottles.java)                                                                   |                                                                                                                                   |
-| 1523 | [Count Odd Numbers In Interval Range](https://leetcode.com/problems/count-odd-numbers-in-an-interval-range)                                          |                                                                                                                                                                                      |                                                                                                                                   |
+| 1523 | [Count Odd Numbers In Interval Range](https://leetcode.com/problems/count-odd-numbers-in-an-interval-range)                                          |                                                         [![Java](assets/java.png)](src/CountOddNumbersInIntervalRange.java)                                                          |                                                                                                                                   |
 | 1528 | [Shuffle Strings](https://leetcode.com/problems/shuffle-string)                                                                                      |                                                                                                                                                                                      |                                                                                                                                   |
 | 1534 | [Count Good Triplets](https://leetcode.com/problems/count-good-triplets)                                                                             |                                                                                                                                                                                      |                                                                                                                                   |
 | 1539 | [Kth Missing Positive Number](https://leetcode.com/problems/kth-missing-positive-number)                                                             |                                                                                                                                                                                      |                                                                                                                                   |

src/CountOddNumbersInIntervalRange.java

@@ -0,0 +1,7 @@
+public class CountOddNumbersInIntervalRange {
+    public int countOdds(int low, int high) {
+        final int count = high - low + 1;
+        if ((count & 1) == 0) return count / 2;
+        return count / 2 + (low & 1);
+    }
+}