add leetcode problem-cn part2

算法题（国内版）/problem (English)/二进制数转字符串(English) [bianry-number-to-string-lcci].html

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+<p>Given a real number between 0 and 1 (e.g., 0.72) that is passed in as a double, print the binary representation. If the number cannot be represented accurately in binary with at most 32 characters, print &quot;ERROR&quot;.</p>
+
+<p><strong>Example1:</strong></p>
+
+<pre>
+<strong> Input</strong>: 0.625
+<strong> Output</strong>: &quot;0.101&quot;
+</pre>
+
+<p><strong>Example2:</strong></p>
+
+<pre>
+<strong> Input</strong>: 0.1
+<strong> Output</strong>: &quot;ERROR&quot;
+<strong> Note</strong>: 0.1 cannot be represented accurately in binary.
+</pre>
+
+<p><strong>Note: </strong></p>
+
+<ol>
+	<li>This two charaters &quot;0.&quot; should be counted into 32 characters.</li>
+</ol>