Add solution #190

Author: JoshCrozier

0190-reverse-bits.js

@@ -0,0 +1,15 @@
+/**
+ * 190. Reverse Bits
+ * https://leetcode.com/problems/reverse-bits/
+ * Difficulty: Easy
+ *
+ * Reverse bits of a given 32 bits unsigned integer.
+ */
+
+/**
+ * @param {number} n - a positive integer
+ * @return {number} - a positive integer
+ */
+var reverseBits = function(n) {
+  return parseInt([...n.toString(2)].reverse().join('').padEnd(32, '0'), 2);
+};

README.md

@@ -82,6 +82,7 @@
 169|[Majority Element](./0169-majority-element.js)|Easy|
 179|[Largest Number](./0179-largest-number.js)|Medium|
 189|[Rotate Array](./0189-rotate-array.js)|Medium|
+190|[Reverse Bits](./0190-reverse-bits.js)|Easy|
 191|[Number of 1 Bits](./0191-number-of-1-bits.js)|Easy|
 203|[Remove Linked List Elements](./0203-remove-linked-list-elements.js)|Easy|
 206|[Reverse Linked List](./0206-reverse-linked-list.js)|Easy|