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add leetcode problem-cn part3

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算法题（国内版）/problem (English)/1 比特与 2 比特字符(English) [1-bit-and-2-bit-characters].html Normal file
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<p>We have two special characters:</p>
<ul>
<li>The first character can be represented by one bit <code>0</code>.</li>
<li>The second character can be represented by two bits (<code>10</code> or <code>11</code>).</li>
</ul>
<p>Given a binary array <code>bits</code> that ends with <code>0</code>, return <code>true</code> if the last character must be a one-bit character.</p>
<p>&nbsp;</p>
<p><strong>Example 1:</strong></p>
<pre>
<strong>Input:</strong> bits = [1,0,0]
<strong>Output:</strong> true
<strong>Explanation:</strong> The only way to decode it is two-bit character and one-bit character.
So the last character is one-bit character.
</pre>
<p><strong>Example 2:</strong></p>
<pre>
<strong>Input:</strong> bits = [1,1,1,0]
<strong>Output:</strong> false
<strong>Explanation:</strong> The only way to decode it is two-bit character and two-bit character.
So the last character is not one-bit character.
</pre>
<p>&nbsp;</p>
<p><strong>Constraints:</strong></p>
<ul>
<li><code>1 &lt;= bits.length &lt;= 1000</code></li>
<li><code>bits[i]</code> is either <code>0</code> or <code>1</code>.</li>
</ul>