leetcode-problemset/leetcode-cn/originData/smallest-subsequence-of-distinct-characters.json

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            "title": "Smallest Subsequence of Distinct Characters",
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            "content": "<p>Given a string <code>s</code>, return <em>the lexicographically smallest subsequence of</em> <code>s</code> <em>that contains all the distinct characters of</em> <code>s</code> <em>exactly once</em>.</p>\n\n<p>&nbsp;</p>\n<p><strong>Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> s = &quot;bcabc&quot;\n<strong>Output:</strong> &quot;abc&quot;\n</pre>\n\n<p><strong>Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> s = &quot;cbacdcbc&quot;\n<strong>Output:</strong> &quot;acdb&quot;\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= s.length &lt;= 1000</code></li>\n\t<li><code>s</code> consists of lowercase English letters.</li>\n</ul>\n\n<p>&nbsp;</p>\n<strong>Note:</strong> This question is the same as 316: <a href=\"https://leetcode.com/problems/remove-duplicate-letters/\" target=\"_blank\">https://leetcode.com/problems/remove-duplicate-letters/</a>",
            "translatedTitle": "不同字符的最小子序列",
            "translatedContent": "<p>返回 <code>s</code> 字典序最小的子序列，该子序列包含 <code>s</code> 的所有不同字符，且只包含一次。</p>\n\n<p><strong>注意：</strong>该题与 316 <a href=\"https://leetcode.com/problems/remove-duplicate-letters/\">https://leetcode.com/problems/remove-duplicate-letters/</a> 相同</p>\n\n<p> </p>\n\n<p><strong>示例 1：</strong></p>\n\n<pre>\n<strong>输入：</strong><code>s = \"bcabc\"</code>\n<strong>输出<code>：</code></strong><code>\"abc\"</code>\n</pre>\n\n<p><strong>示例 2：</strong></p>\n\n<pre>\n<strong>输入：</strong><code>s = \"cbacdcbc\"</code>\n<strong>输出：</strong><code>\"acdb\"</code></pre>\n\n<p> </p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>1 <= s.length <= 1000</code></li>\n\t<li><code>s</code> 由小写英文字母组成</li>\n</ul>\n",
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