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58 lines
3.0 KiB
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<p>在给定单词列表 <code>wordlist</code> 的情况下，我们希望实现一个拼写检查器，将查询单词转换为正确的单词。</p>
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<p>对于给定的查询单词 <code>query</code>，拼写检查器将会处理两类拼写错误：</p>
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<ul>
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<li>大小写：如果查询匹配单词列表中的某个单词（<strong>不区分大小写</strong>），则返回的正确单词与单词列表中的大小写相同。
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<ul>
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<li>例如：<code>wordlist = ["yellow"]</code>, <code>query = "YellOw"</code>: <code>correct = "yellow"</code></li>
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<li>例如：<code>wordlist = ["Yellow"]</code>, <code>query = "yellow"</code>: <code>correct = "Yellow"</code></li>
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<li>例如：<code>wordlist = ["yellow"]</code>, <code>query = "yellow"</code>: <code>correct = "yellow"</code></li>
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</ul>
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</li>
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<li>元音错误：如果在将查询单词中的元音 <code>('a', 'e', 'i', 'o', 'u')</code> 分别替换为任何元音后，能与单词列表中的单词匹配（<strong>不区分大小写</strong>），则返回的正确单词与单词列表中的匹配项大小写相同。
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<ul>
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<li>例如：<code>wordlist = ["YellOw"]</code>, <code>query = "yollow"</code>: <code>correct = "YellOw"</code></li>
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<li>例如：<code>wordlist = ["YellOw"]</code>, <code>query = "yeellow"</code>: <code>correct = ""</code> （无匹配项）</li>
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<li>例如：<code>wordlist = ["YellOw"]</code>, <code>query = "yllw"</code>: <code>correct = ""</code> （无匹配项）</li>
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</ul>
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</li>
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</ul>
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<p>此外，拼写检查器还按照以下优先级规则操作：</p>
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<ul>
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<li>当查询完全匹配单词列表中的某个单词（<strong>区分大小写</strong>）时，应返回相同的单词。</li>
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<li>当查询匹配到大小写问题的单词时，您应该返回单词列表中的第一个这样的匹配项。</li>
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<li>当查询匹配到元音错误的单词时，您应该返回单词列表中的第一个这样的匹配项。</li>
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<li>如果该查询在单词列表中没有匹配项，则应返回空字符串。</li>
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</ul>
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<p>给出一些查询 <code>queries</code>，返回一个单词列表 <code>answer</code>，其中 <code>answer[i]</code> 是由查询 <code>query = queries[i]</code> 得到的正确单词。</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>wordlist = ["KiTe","kite","hare","Hare"], queries = ["kite","Kite","KiTe","Hare","HARE","Hear","hear","keti","keet","keto"]
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<strong>输出：</strong>["kite","KiTe","KiTe","Hare","hare","","","KiTe","","KiTe"]</pre>
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<p><strong>示例 2:</strong></p>
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<pre>
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<b>输入：</b>wordlist = ["yellow"], queries = ["YellOw"]
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<b>输出：</b>["yellow"]
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</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 <= wordlist.length, queries.length <= 5000</code></li>
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<li><code>1 <= wordlist[i].length, queries[i].length <= 7</code></li>
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<li><code>wordlist[i]</code> 和 <code>queries[i]</code> 只包含英文字母</li>
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</ul>
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