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"translatedContent": "<p>给你一个产品数组 <code>products</code> 和一个字符串 <code>searchWord</code> ,<code>products</code> 数组中每个产品都是一个字符串。</p>\n\n<p>请你设计一个推荐系统,在依次输入单词 <code>searchWord</code> 的每一个字母后,推荐 <code>products</code> 数组中前缀与 <code>searchWord</code> 相同的最多三个产品。如果前缀相同的可推荐产品超过三个,请按字典序返回最小的三个。</p>\n\n<p>请你以二维列表的形式,返回在输入 <code>searchWord</code> 每个字母后相应的推荐产品的列表。</p>\n\n<p> </p>\n\n<p><strong>示例 1:</strong></p>\n\n<pre><strong>输入:</strong>products = ["mobile","mouse","moneypot","monitor","mousepad"], searchWord = "mouse"\n<strong>输出:</strong>[\n["mobile","moneypot","monitor"],\n["mobile","moneypot","monitor"],\n["mouse","mousepad"],\n["mouse","mousepad"],\n["mouse","mousepad"]\n]\n<strong>解释:</strong>按字典序排序后的产品列表是 ["mobile","moneypot","monitor","mouse","mousepad"]\n输入 m 和 mo,由于所有产品的前缀都相同,所以系统返回字典序最小的三个产品 ["mobile","moneypot","monitor"]\n输入 mou, mous 和 mouse 后系统都返回 ["mouse","mousepad"]\n</pre>\n\n<p><strong>示例 2:</strong></p>\n\n<pre><strong>输入:</strong>products = ["havana"], searchWord = "havana"\n<strong>输出:</strong>[["havana"],["havana"],["havana"],["havana"],["havana"],["havana"]]\n</pre>\n\n<p><strong>示例 3:</strong></p>\n\n<pre><strong>输入:</strong>products = ["bags","baggage","banner","box","cloths"], searchWord = "bags"\n<strong>输出:</strong>[["baggage","bags","banner"],["baggage","bags","banner"],["baggage","bags"],["bags"]]\n</pre>\n\n<p><strong>示例 4:</strong></p>\n\n<pre><strong>输入:</strong>products = ["havana"], searchWord = "tatiana"\n<strong>输出:</strong>[[],[],[],[],[],[],[]]\n</pre>\n\n<p> </p>\n\n<p><strong>提示:</strong></p>\n\n<ul>\n\t<li><code>1 <= products.length <= 1000</code></li>\n\t<li><code>1 <= Σ products[i].length <= 2 * 10^4</code></li>\n\t<li><code>products[i]</code> 中所有的字符都是小写英文字母。</li>\n\t<li><code>1 <= searchWord.length <= 1000</code></li>\n\t<li><code>searchWord</code> 中所有字符都是小写英文字母。</li>\n</ul>\n",
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"isPaidOnly": false,
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"difficulty": "Medium",
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"similarQuestions": "[]",
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@@ -149,7 +149,7 @@
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"__typename": "CodeSnippetNode"
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}
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"hints": [
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"Brute force is a good choice because length of the string is ≤ 1000.",
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"Binary search the answer.",
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