leetcode-problemset/leetcode-cn/originData/is-subsequence.json

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            "categoryTitle": "Algorithms",
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            "title": "Is Subsequence",
            "titleSlug": "is-subsequence",
            "content": "<p>Given two strings <code>s</code> and <code>t</code>, return <code>true</code><em> if </em><code>s</code><em> is a <strong>subsequence</strong> of </em><code>t</code><em>, or </em><code>false</code><em> otherwise</em>.</p>\n\n<p>A <strong>subsequence</strong> of a string is a new string that is formed from the original string by deleting some (can be none) of the characters without disturbing the relative positions of the remaining characters. (i.e., <code>&quot;ace&quot;</code> is a subsequence of <code>&quot;<u>a</u>b<u>c</u>d<u>e</u>&quot;</code> while <code>&quot;aec&quot;</code> is not).</p>\n\n<p>&nbsp;</p>\n<p><strong>Example 1:</strong></p>\n<pre><strong>Input:</strong> s = \"abc\", t = \"ahbgdc\"\n<strong>Output:</strong> true\n</pre><p><strong>Example 2:</strong></p>\n<pre><strong>Input:</strong> s = \"axc\", t = \"ahbgdc\"\n<strong>Output:</strong> false\n</pre>\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>0 &lt;= s.length &lt;= 100</code></li>\n\t<li><code>0 &lt;= t.length &lt;= 10<sup>4</sup></code></li>\n\t<li><code>s</code> and <code>t</code> consist only of lowercase English letters.</li>\n</ul>\n\n<p>&nbsp;</p>\n<strong>Follow up:</strong> Suppose there are lots of incoming <code>s</code>, say <code>s<sub>1</sub>, s<sub>2</sub>, ..., s<sub>k</sub></code> where <code>k &gt;= 10<sup>9</sup></code>, and you want to check one by one to see if <code>t</code> has its subsequence. In this scenario, how would you change your code?",
            "translatedTitle": "判断子序列",
            "translatedContent": "<p>给定字符串 <strong>s</strong> 和 <strong>t</strong> ，判断 <strong>s</strong> 是否为 <strong>t</strong> 的子序列。</p>\n\n<p>字符串的一个子序列是原始字符串删除一些（也可以不删除）字符而不改变剩余字符相对位置形成的新字符串。（例如，<code>\"ace\"</code>是<code>\"abcde\"</code>的一个子序列，而<code>\"aec\"</code>不是）。</p>\n\n<p><strong>进阶：</strong></p>\n\n<p>如果有大量输入的 S，称作 S1, S2, ... , Sk 其中 k >= 10亿，你需要依次检查它们是否为 T 的子序列。在这种情况下，你会怎样改变代码？</p>\n\n<p><strong>致谢：</strong></p>\n\n<p>特别感谢<strong> </strong><a href=\"https://leetcode.com/pbrother/\">@pbrother </a>添加此问题并且创建所有测试用例。</p>\n\n<p> </p>\n\n<p><strong>示例 1：</strong></p>\n\n<pre>\n<strong>输入：</strong>s = \"abc\", t = \"ahbgdc\"\n<strong>输出：</strong>true\n</pre>\n\n<p><strong>示例 2：</strong></p>\n\n<pre>\n<strong>输入：</strong>s = \"axc\", t = \"ahbgdc\"\n<strong>输出：</strong>false\n</pre>\n\n<p> </p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>0 <= s.length <= 100</code></li>\n\t<li><code>0 <= t.length <= 10^4</code></li>\n\t<li>两个字符串都只由小写字符组成。</li>\n</ul>\n",
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