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"translatedContent": "<p>给定两个字符串 <code>text1</code> 和 <code>text2</code>,返回这两个字符串的最长 <strong>公共子序列</strong> 的长度。如果不存在 <strong>公共子序列</strong> ,返回 <code>0</code> 。</p>\n\n<p>一个字符串的 <strong>子序列</strong><em> </em>是指这样一个新的字符串:它是由原字符串在不改变字符的相对顺序的情况下删除某些字符(也可以不删除任何字符)后组成的新字符串。</p>\n\n<ul>\n\t<li>例如,<code>"ace"</code> 是 <code>"abcde"</code> 的子序列,但 <code>"aec"</code> 不是 <code>"abcde"</code> 的子序列。</li>\n</ul>\n\n<p>两个字符串的 <strong>公共子序列</strong> 是这两个字符串所共同拥有的子序列。</p>\n\n<p> </p>\n\n<p><strong>示例 1:</strong></p>\n\n<pre>\n<strong>输入:</strong>text1 = "abcde", text2 = "ace" \n<strong>输出:</strong>3 \n<strong>解释:</strong>最长公共子序列是 "ace" ,它的长度为 3 。\n</pre>\n\n<p><strong>示例 2:</strong></p>\n\n<pre>\n<strong>输入:</strong>text1 = "abc", text2 = "abc"\n<strong>输出:</strong>3\n<strong>解释:</strong>最长公共子序列是 "abc" ,它的长度为 3 。\n</pre>\n\n<p><strong>示例 3:</strong></p>\n\n<pre>\n<strong>输入:</strong>text1 = "abc", text2 = "def"\n<strong>输出:</strong>0\n<strong>解释:</strong>两个字符串没有公共子序列,返回 0 。\n</pre>\n\n<p> </p>\n\n<p><strong>提示:</strong></p>\n\n<ul>\n\t<li><code>1 <= text1.length, text2.length <= 1000</code></li>\n\t<li><code>text1</code> 和 <code>text2</code> 仅由小写英文字符组成。</li>\n</ul>\n\n<p> </p>\n\n<p><meta charset=\"UTF-8\" />注意:本题与主站 1143 题相同: <a href=\"https://leetcode-cn.com/problems/longest-common-subsequence/\">https://leetcode-cn.com/problems/longest-common-subsequence/</a></p>\n",
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