leetcode-problemset/leetcode-cn/originData/longest-absolute-file-path.json

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            "questionId": "388",
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            "categoryTitle": "Algorithms",
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            "title": "Longest Absolute File Path",
            "titleSlug": "longest-absolute-file-path",
            "content": "<p>Suppose we have a file system that stores both files and directories. An example of one system is represented in the following picture:</p>\n\n<p><img alt=\"\" src=\"https://assets.leetcode.com/uploads/2020/08/28/mdir.jpg\" style=\"width: 681px; height: 322px;\" /></p>\n\n<p>Here, we have <code>dir</code> as the only directory in the root. <code>dir</code> contains two subdirectories, <code>subdir1</code> and <code>subdir2</code>. <code>subdir1</code> contains a file <code>file1.ext</code> and subdirectory <code>subsubdir1</code>. <code>subdir2</code> contains a subdirectory <code>subsubdir2</code>, which contains a file <code>file2.ext</code>.</p>\n\n<p>In text form, it looks like this (with ⟶ representing the tab character):</p>\n\n<pre>\ndir\n⟶ subdir1\n⟶ ⟶ file1.ext\n⟶ ⟶ subsubdir1\n⟶ subdir2\n⟶ ⟶ subsubdir2\n⟶ ⟶ ⟶ file2.ext\n</pre>\n\n<p>If we were to write this representation in code, it will look like this: <code>&quot;dir\\n\\tsubdir1\\n\\t\\tfile1.ext\\n\\t\\tsubsubdir1\\n\\tsubdir2\\n\\t\\tsubsubdir2\\n\\t\\t\\tfile2.ext&quot;</code>. Note that the <code>&#39;\\n&#39;</code> and <code>&#39;\\t&#39;</code> are the new-line and tab characters.</p>\n\n<p>Every file and directory has a unique <strong>absolute path</strong> in the file system, which is the order of directories that must be opened to reach the file/directory itself, all concatenated by <code>&#39;/&#39;s</code>. Using the above example, the <strong>absolute path</strong> to <code>file2.ext</code> is <code>&quot;dir/subdir2/subsubdir2/file2.ext&quot;</code>. Each directory name consists of letters, digits, and/or spaces. Each file name is of the form <code>name.extension</code>, where <code>name</code> and <code>extension</code> consist of letters, digits, and/or spaces.</p>\n\n<p>Given a string <code>input</code> representing the file system in the explained format, return <em>the length of the <strong>longest absolute path</strong> to a <strong>file</strong> in the abstracted file system</em>. If there is no file in the system, return <code>0</code>.</p>\n\n<p><strong>Note</strong> that the testcases are generated such that the file system is valid and no file or directory name has length 0.</p>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2020/08/28/dir1.jpg\" style=\"width: 401px; height: 202px;\" />\n<pre>\n<strong>Input:</strong> input = &quot;dir\\n\\tsubdir1\\n\\tsubdir2\\n\\t\\tfile.ext&quot;\n<strong>Output:</strong> 20\n<strong>Explanation:</strong> We have only one file, and the absolute path is &quot;dir/subdir2/file.ext&quot; of length 20.\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2020/08/28/dir2.jpg\" style=\"width: 641px; height: 322px;\" />\n<pre>\n<strong>Input:</strong> input = &quot;dir\\n\\tsubdir1\\n\\t\\tfile1.ext\\n\\t\\tsubsubdir1\\n\\tsubdir2\\n\\t\\tsubsubdir2\\n\\t\\t\\tfile2.ext&quot;\n<strong>Output:</strong> 32\n<strong>Explanation:</strong> We have two files:\n&quot;dir/subdir1/file1.ext&quot; of length 21\n&quot;dir/subdir2/subsubdir2/file2.ext&quot; of length 32.\nWe return 32 since it is the longest absolute path to a file.\n</pre>\n\n<p><strong class=\"example\">Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> input = &quot;a&quot;\n<strong>Output:</strong> 0\n<strong>Explanation:</strong> We do not have any files, just a single directory named &quot;a&quot;.\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= input.length &lt;= 10<sup>4</sup></code></li>\n\t<li><code>input</code> may contain lowercase or uppercase English letters, a new line character <code>&#39;\\n&#39;</code>, a tab character <code>&#39;\\t&#39;</code>, a dot <code>&#39;.&#39;</code>, a space <code>&#39; &#39;</code>, and digits.</li>\n\t<li>All file and directory names have <strong>positive</strong> length.</li>\n</ul>\n",
            "translatedTitle": "文件的最长绝对路径",
            "translatedContent": "<p>假设有一个同时存储文件和目录的文件系统。下图展示了文件系统的一个示例：</p>\n\n<p><img alt=\"\" src=\"https://assets.leetcode.com/uploads/2020/08/28/mdir.jpg\" style=\"height: 142px; width: 300px;\" /></p>\n\n<p>这里将 <code>dir</code> 作为根目录中的唯一目录。<code>dir</code> 包含两个子目录 <code>subdir1</code> 和 <code>subdir2</code> 。<code>subdir1</code> 包含文件 <code>file1.ext</code> 和子目录 <code>subsubdir1</code>；<code>subdir2</code> 包含子目录 <code>subsubdir2</code>，该子目录下包含文件 <code>file2.ext</code> 。</p>\n\n<p>在文本格式中，如下所示(⟶表示制表符)：</p>\n\n<pre>\ndir\n⟶ subdir1\n⟶ ⟶ file1.ext\n⟶ ⟶ subsubdir1\n⟶ subdir2\n⟶ ⟶ subsubdir2\n⟶ ⟶ ⟶ file2.ext\n</pre>\n\n<p>如果是代码表示，上面的文件系统可以写为 <code>\"dir\\n\\tsubdir1\\n\\t\\tfile1.ext\\n\\t\\tsubsubdir1\\n\\tsubdir2\\n\\t\\tsubsubdir2\\n\\t\\t\\tfile2.ext\"</code> 。<code>'\\n'</code> 和 <code>'\\t'</code> 分别是换行符和制表符。</p>\n\n<p>文件系统中的每个文件和文件夹都有一个唯一的 <strong>绝对路径</strong> ，即必须打开才能到达文件/目录所在位置的目录顺序，所有路径用 <code>'/'</code> 连接。上面例子中，指向 <code>file2.ext</code> 的 <strong>绝对路径</strong> 是 <code>\"dir/subdir2/subsubdir2/file2.ext\"</code> 。每个目录名由字母、数字和/或空格组成，每个文件名遵循 <code>name.extension</code> 的格式，其中<meta charset=\"UTF-8\" />&nbsp;<code>name</code>&nbsp;和<meta charset=\"UTF-8\" />&nbsp;<code>extension</code>由字母、数字和/或空格组成。</p>\n\n<p>给定一个以上述格式表示文件系统的字符串 <code>input</code> ，返回文件系统中&nbsp;<em>指向&nbsp;<strong>文件</strong>&nbsp;的 <strong>最长绝对路径</strong> 的长度</em>&nbsp;。 如果系统中没有文件，返回&nbsp;<code>0</code>。</p>\n\n<p>&nbsp;</p>\n\n<p><strong>示例 1：</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2020/08/28/dir1.jpg\" style=\"height: 101px; width: 200px;\" />\n<pre>\n<strong>输入：</strong>input = \"dir\\n\\tsubdir1\\n\\tsubdir2\\n\\t\\tfile.ext\"\n<strong>输出：</strong>20\n<strong>解释：</strong>只有一个文件，绝对路径为 \"dir/subdir2/file.ext\" ，路径长度 20\n</pre>\n\n<p><strong>示例 2：</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2020/08/28/dir2.jpg\" style=\"height: 151px; width: 300px;\" />\n<pre>\n<strong>输入：</strong>input = \"dir\\n\\tsubdir1\\n\\t\\tfile1.ext\\n\\t\\tsubsubdir1\\n\\tsubdir2\\n\\t\\tsubsubdir2\\n\\t\\t\\tfile2.ext\"\n<strong>输出：</strong>32\n<strong>解释：</strong>存在两个文件：\n\"dir/subdir1/file1.ext\" ，路径长度 21\n\"dir/subdir2/subsubdir2/file2.ext\" ，路径长度 32\n返回 32 ，因为这是最长的路径</pre>\n\n<p><strong>示例 3：</strong></p>\n\n<pre>\n<strong>输入：</strong>input = \"a\"\n<strong>输出：</strong>0\n<strong>解释：</strong>不存在任何文件</pre>\n\n<p><strong>示例 4：</strong></p>\n\n<pre>\n<strong>输入：</strong>input = \"file1.txt\\nfile2.txt\\nlongfile.txt\"\n<strong>输出：</strong>12\n<strong>解释：</strong>根目录下有 3 个文件。\n因为根目录中任何东西的绝对路径只是名称本身，所以答案是 \"longfile.txt\" ，路径长度为 12\n</pre>\n\n<p>&nbsp;</p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= input.length &lt;= 10<sup>4</sup></code></li>\n\t<li><code>input</code> 可能包含小写或大写的英文字母，一个换行符 <code>'\\n'</code>，一个制表符 <code>'\\t'</code>，一个点 <code>'.'</code>，一个空格 <code>' '</code>，和数字。</li>\n</ul>\n",
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href=\\\"https:\\/\\/github.com\\/emirpasic\\/gods\\/tree\\/v1.18.1\\\" target=\\\"_blank\\\">https:\\/\\/godoc.org\\/github.com\\/emirpasic\\/gods@v1.18.1<\\/a> \\u7b2c\\u4e09\\u65b9\\u5e93\\u3002<\\/p>\"],\"python3\":[\"Python3\",\"<p>\\u7248\\u672c\\uff1a<code>Python 3.10<\\/code><\\/p>\\r\\n\\r\\n<p>\\u4e3a\\u4e86\\u65b9\\u4fbf\\u8d77\\u89c1\\uff0c\\u5927\\u90e8\\u5206\\u5e38\\u7528\\u5e93\\u5df2\\u7ecf\\u88ab\\u81ea\\u52a8 \\u5bfc\\u5165\\uff0c\\u5982<a href=\\\"https:\\/\\/docs.python.org\\/3\\/library\\/array.html\\\" target=\\\"_blank\\\">array<\\/a>, <a href=\\\"https:\\/\\/docs.python.org\\/3\\/library\\/bisect.html\\\" target=\\\"_blank\\\">bisect<\\/a>, <a href=\\\"https:\\/\\/docs.python.org\\/3\\/library\\/collections.html\\\" target=\\\"_blank\\\">collections<\\/a>\\u3002 \\u5982\\u679c\\u60a8\\u9700\\u8981\\u4f7f\\u7528\\u5176\\u4ed6\\u5e93\\u51fd\\u6570\\uff0c\\u8bf7\\u81ea\\u884c\\u5bfc\\u5165\\u3002<\\/p>\\r\\n\\r\\n<p>\\u5982\\u9700\\u4f7f\\u7528 Map\\/TreeMap 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