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<p>二进制数转字符串。给定一个介于0和1之间的实数如0.72类型为double打印它的二进制表达式。如果该数字无法精确地用32位以内的二进制表示则打印“ERROR”。</p>
<p><strong>示例1:</strong></p>
<pre>
<strong> 输入</strong>0.625
<strong> 输出</strong>"0.101"
</pre>
<p><strong>示例2:</strong></p>
<pre>
<strong> 输入</strong>0.1
<strong> 输出</strong>"ERROR"
<strong> 提示</strong>0.1无法被二进制准确表示
</pre>
<p>&nbsp;</p>
<p><strong>提示:</strong></p>
<ul>
<li>32位包括输出中的 <code>"0."</code> 这两位。</li>
<li>题目保证输入用例的小数位数最多只有 <code>6</code></li>
</ul>