mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
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174 lines
21 KiB
JSON
174 lines
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"title": "Unique Morse Code Words",
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"content": "<p>International Morse Code defines a standard encoding where each letter is mapped to a series of dots and dashes, as follows:</p>\n\n<ul>\n\t<li><code>'a'</code> maps to <code>".-"</code>,</li>\n\t<li><code>'b'</code> maps to <code>"-..."</code>,</li>\n\t<li><code>'c'</code> maps to <code>"-.-."</code>, and so on.</li>\n</ul>\n\n<p>For convenience, the full table for the <code>26</code> letters of the English alphabet is given below:</p>\n\n<pre>\n[".-","-...","-.-.","-..",".","..-.","--.","....","..",".---","-.-",".-..","--","-.","---",".--.","--.-",".-.","...","-","..-","...-",".--","-..-","-.--","--.."]</pre>\n\n<p>Given an array of strings <code>words</code> where each word can be written as a concatenation of the Morse code of each letter.</p>\n\n<ul>\n\t<li>For example, <code>"cab"</code> can be written as <code>"-.-..--..."</code>, which is the concatenation of <code>"-.-."</code>, <code>".-"</code>, and <code>"-..."</code>. We will call such a concatenation the <strong>transformation</strong> of a word.</li>\n</ul>\n\n<p>Return <em>the number of different <strong>transformations</strong> among all words we have</em>.</p>\n\n<p> </p>\n<p><strong>Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> words = ["gin","zen","gig","msg"]\n<strong>Output:</strong> 2\n<strong>Explanation:</strong> The transformation of each word is:\n"gin" -> "--...-."\n"zen" -> "--...-."\n"gig" -> "--...--."\n"msg" -> "--...--."\nThere are 2 different transformations: "--...-." and "--...--.".\n</pre>\n\n<p><strong>Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> words = ["a"]\n<strong>Output:</strong> 1\n</pre>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 <= words.length <= 100</code></li>\n\t<li><code>1 <= words[i].length <= 12</code></li>\n\t<li><code>words[i]</code> consists of lowercase English letters.</li>\n</ul>\n",
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"translatedTitle": "唯一摩尔斯密码词",
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"translatedContent": "<p>国际摩尔斯密码定义一种标准编码方式，将每个字母对应于一个由一系列点和短线组成的字符串， 比如:</p>\n\n<ul>\n\t<li><code>'a'</code> 对应 <code>\".-\"</code> ，</li>\n\t<li><code>'b'</code> 对应 <code>\"-...\"</code> ，</li>\n\t<li><code>'c'</code> 对应 <code>\"-.-.\"</code> ，以此类推。</li>\n</ul>\n\n<p>为了方便，所有 <code>26</code> 个英文字母的摩尔斯密码表如下：</p>\n\n<pre>\n[\".-\",\"-...\",\"-.-.\",\"-..\",\".\",\"..-.\",\"--.\",\"....\",\"..\",\".---\",\"-.-\",\".-..\",\"--\",\"-.\",\"---\",\".--.\",\"--.-\",\".-.\",\"...\",\"-\",\"..-\",\"...-\",\".--\",\"-..-\",\"-.--\",\"--..\"]</pre>\n\n<p>给你一个字符串数组 <code>words</code> ，每个单词可以写成每个字母对应摩尔斯密码的组合。</p>\n\n<ul>\n\t<li>例如，<code>\"cab\"</code> 可以写成 <code>\"-.-..--...\"</code> ，(即 <code>\"-.-.\"</code> + <code>\".-\"</code> + <code>\"-...\"</code> 字符串的结合)。我们将这样一个连接过程称作 <strong>单词翻译</strong> 。</li>\n</ul>\n\n<p>对<strong> </strong><code>words</code> 中所有单词进行单词翻译，返回不同 <strong>单词翻译</strong> 的数量。</p>\n\n<p> </p>\n\n<p><strong>示例 1：</strong></p>\n\n<pre>\n<strong>输入:</strong> words = [\"gin\", \"zen\", \"gig\", \"msg\"]\n<strong>输出:</strong> 2\n<strong>解释: </strong>\n各单词翻译如下:\n\"gin\" -> \"--...-.\"\n\"zen\" -> \"--...-.\"\n\"gig\" -> \"--...--.\"\n\"msg\" -> \"--...--.\"\n\n共有 2 种不同翻译, \"--...-.\" 和 \"--...--.\".\n</pre>\n\n<p><strong>示例 2：</strong></p>\n\n<pre>\n<strong>输入：</strong>words = [\"a\"]\n<strong>输出：</strong>1\n</pre>\n\n<p> </p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>1 <= words.length <= 100</code></li>\n\t<li><code>1 <= words[i].length <= 12</code></li>\n\t<li><code>words[i]</code> 由小写英文字母组成</li>\n</ul>\n",
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