mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
synced 2025-01-10 18:48:13 +08:00
23 lines
624 B
HTML
23 lines
624 B
HTML
<p>Given a positive integer, print the next smallest and the next largest number that have the same number of 1 bits in their binary representation.</p>
|
|
|
|
|
|
|
|
<p><strong>Example1:</strong></p>
|
|
|
|
|
|
|
|
<pre>
|
|
|
|
<strong> Input</strong>: num = 2 (0b10)
|
|
|
|
<strong> Output</strong>: [4, 1] ([0b100, 0b1])
|
|
|
|
</pre>
|
|
|
|
|
|
|
|
<p><strong>Example2:</strong></p>
|
|
|
|
|
|
|
|
<pre>
|
|
|
|
<strong> Input</strong>: num = 1
|
|
|
|
<strong> Output</strong>: [2, -1]
|
|
|
|
</pre>
|
|
|
|
|
|
|
|
<p><strong>Note:</strong></p>
|
|
|
|
|
|
|
|
<ol>
|
|
|
|
<li><code>1 <= num <= 2147483647</code></li>
|
|
|
|
<li>If there is no next smallest or next largest number, output -1.</li>
|
|
|
|
</ol>
|
|
|