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0693-binary-number-with-alternating-bits/README.md

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+<h2><a href="https://leetcode.com/problems/binary-number-with-alternating-bits">693. Binary Number with Alternating Bits</a></h2><h3>Easy</h3><hr><p>Given a positive integer, check whether it has alternating bits: namely, if two adjacent bits will always have different values.</p>
+
+<p>&nbsp;</p>
+<p><strong class="example">Example 1:</strong></p>
+
+<pre>
+<strong>Input:</strong> n = 5
+<strong>Output:</strong> true
+<strong>Explanation:</strong> The binary representation of 5 is: 101
+</pre>
+
+<p><strong class="example">Example 2:</strong></p>
+
+<pre>
+<strong>Input:</strong> n = 7
+<strong>Output:</strong> false
+<strong>Explanation:</strong> The binary representation of 7 is: 111.</pre>
+
+<p><strong class="example">Example 3:</strong></p>
+
+<pre>
+<strong>Input:</strong> n = 11
+<strong>Output:</strong> false
+<strong>Explanation:</strong> The binary representation of 11 is: 1011.</pre>
+
+<p>&nbsp;</p>
+<p><strong>Constraints:</strong></p>
+
+<ul>
+	<li><code>1 &lt;= n &lt;= 2<sup>31</sup> - 1</code></li>
+</ul>