solves number complement

Author: anishLearnsToCode

README.md

@@ -123,8 +123,8 @@
 | 459 | [Repeated Substring Pattern](https://leetcode.com/problems/repeated-substring-pattern) | Easy | [![Java](https://img.icons8.com/color/40/000000/java-coffee-cup-logo.png)](src/RepeatedSubstringPattern.java) [![Python](https://img.icons8.com/color/35/000000/python.png)](python/repeated_substring_pattern.py) |
 | 461 | [Hamming Distance](https://leetcode.com/problems/hamming-distance) | Easy | [![Java](https://img.icons8.com/color/40/000000/java-coffee-cup-logo.png)](src/HammingDistance.java) [![Python](https://img.icons8.com/color/35/000000/python.png)](python/hamming_distance.py) |
 | 463 | [Island Perimeter](https://leetcode.com/problems/island-perimeter) | Easy | [![Java](https://img.icons8.com/color/40/000000/java-coffee-cup-logo.png)](src/IslandPerimeter.java) [![Python](https://img.icons8.com/color/35/000000/python.png)](python/island_perimeter.py) |
-| 475 | [Heaters](https://leetcode.com/problems/heaters) | Easy | |
-| 476 | [Number Complement](https://leetcode.com/problems/number-complement) | Easy | |
+| 475 | [Heaters](https://leetcode.com/problems/heaters) | Medium | |
+| 476 | [Number Complement](https://leetcode.com/problems/number-complement) | Easy | [![Java](https://img.icons8.com/color/40/000000/java-coffee-cup-logo.png)](src/NumberComplement.java) |
 | 482 | [License Key Formatting](https://leetcode.com/problems/license-key-formatting) | Easy | |
 | 485 | [Max Consecutive Ones](https://leetcode.com/problems/max-consecutive-ones) | Easy | |
 | 492 | [Construct the Rectangle](https://leetcode.com/problems/construct-the-rectangle) | Easy | |

src/NumberComplement.java

@@ -0,0 +1,6 @@
+public class NumberComplement {
+    public static int findComplement(int n) {
+        int numberOfBits = (int) (Math.floor(Math.log(n) / Math.log(2))) + 1;
+        return ((1 << numberOfBits) - 1) ^ n;
+    }
+}