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			37 lines
		
	
	
		
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			37 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			HTML
		
	
	
	
	
	
<p>给定一种规律 <code>pattern</code> 和一个字符串 <code>s</code> ,判断 <code>s</code> 是否遵循相同的规律。</p>
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<p>这里的 <strong>遵循 </strong>指完全匹配,例如, <code>pattern</code> 里的每个字母和字符串 <code>str</code><strong> </strong>中的每个非空单词之间存在着双向连接的对应规律。</p>
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<p> </p>
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<p><strong>示例1:</strong></p>
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<pre>
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<strong>输入:</strong> pattern = <code>"abba"</code>, str = <code>"dog cat cat dog"</code>
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<strong>输出:</strong> true</pre>
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<p><strong>示例 2:</strong></p>
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<pre>
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<strong>输入:</strong>pattern = <code>"abba"</code>, str = <code>"dog cat cat fish"</code>
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<strong>输出:</strong> false</pre>
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<p><strong>示例 3:</strong></p>
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<pre>
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<strong>输入:</strong> pattern = <code>"aaaa"</code>, str = <code>"dog cat cat dog"</code>
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<strong>输出:</strong> false</pre>
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<p> </p>
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<p><strong>提示:</strong></p>
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<ul>
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	<li><code>1 <= pattern.length <= 300</code></li>
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	<li><code>pattern</code> 只包含小写英文字母</li>
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	<li><code>1 <= s.length <= 3000</code></li>
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	<li><code>s</code> 只包含小写英文字母和 <code>' '</code></li>
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	<li><code>s</code> <strong>不包含</strong> 任何前导或尾随对空格</li>
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	<li><code>s</code> 中每个单词都被 <strong>单个空格 </strong>分隔</li>
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</ul>
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