leetcode-problemset/leetcode-cn/originData/buddy-strings.json

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            "title": "Buddy Strings",
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            "content": "<p>Given two strings <code>s</code> and <code>goal</code>, return <code>true</code><em> if you can swap two letters in </em><code>s</code><em> so the result is equal to </em><code>goal</code><em>, otherwise, return </em><code>false</code><em>.</em></p>\n\n<p>Swapping letters is defined as taking two indices <code>i</code> and <code>j</code> (0-indexed) such that <code>i != j</code> and swapping the characters at <code>s[i]</code> and <code>s[j]</code>.</p>\n\n<ul>\n\t<li>For example, swapping at indices <code>0</code> and <code>2</code> in <code>&quot;abcd&quot;</code> results in <code>&quot;cbad&quot;</code>.</li>\n</ul>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> s = &quot;ab&quot;, goal = &quot;ba&quot;\n<strong>Output:</strong> true\n<strong>Explanation:</strong> You can swap s[0] = &#39;a&#39; and s[1] = &#39;b&#39; to get &quot;ba&quot;, which is equal to goal.\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> s = &quot;ab&quot;, goal = &quot;ab&quot;\n<strong>Output:</strong> false\n<strong>Explanation:</strong> The only letters you can swap are s[0] = &#39;a&#39; and s[1] = &#39;b&#39;, which results in &quot;ba&quot; != goal.\n</pre>\n\n<p><strong class=\"example\">Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> s = &quot;aa&quot;, goal = &quot;aa&quot;\n<strong>Output:</strong> true\n<strong>Explanation:</strong> You can swap s[0] = &#39;a&#39; and s[1] = &#39;a&#39; to get &quot;aa&quot;, which is equal to goal.\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= s.length, goal.length &lt;= 2 * 10<sup>4</sup></code></li>\n\t<li><code>s</code> and <code>goal</code> consist of lowercase letters.</li>\n</ul>\n",
            "translatedTitle": "亲密字符串",
            "translatedContent": "<p>给你两个字符串 <code>s</code> 和 <code>goal</code> ，只要我们可以通过交换 <code>s</code> 中的两个字母得到与 <code>goal</code> 相等的结果，就返回&nbsp;<code>true</code>&nbsp;；否则返回 <code>false</code> 。</p>\n\n<p>交换字母的定义是：取两个下标 <code>i</code> 和 <code>j</code> （下标从 <code>0</code> 开始）且满足 <code>i != j</code> ，接着交换 <code>s[i]</code> 和 <code>s[j]</code> 处的字符。</p>\n\n<ul>\n\t<li>例如，在 <code>\"abcd\"</code> 中交换下标 <code>0</code> 和下标 <code>2</code> 的元素可以生成 <code>\"cbad\"</code> 。</li>\n</ul>\n\n<p>&nbsp;</p>\n\n<p><strong>示例 1：</strong></p>\n\n<pre>\n<strong>输入：</strong>s = \"ab\", goal = \"ba\"\n<strong>输出：</strong>true\n<strong>解释：</strong>你可以交换 s[0] = 'a' 和 s[1] = 'b' 生成 \"ba\"，此时 s 和 goal 相等。</pre>\n\n<p><strong>示例 2：</strong></p>\n\n<pre>\n<strong>输入：</strong>s = \"ab\", goal = \"ab\"\n<strong>输出：</strong>false\n<strong>解释：</strong>你只能交换 s[0] = 'a' 和 s[1] = 'b' 生成 \"ba\"，此时 s 和 goal 不相等。</pre>\n\n<p><strong>示例 3：</strong></p>\n\n<pre>\n<strong>输入：</strong>s = \"aa\", goal = \"aa\"\n<strong>输出：</strong>true\n<strong>解释：</strong>你可以交换 s[0] = 'a' 和 s[1] = 'a' 生成 \"aa\"，此时 s 和 goal 相等。\n</pre>\n\n<p>&nbsp;</p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= s.length, goal.length &lt;= 2 * 10<sup>4</sup></code></li>\n\t<li><code>s</code> 和 <code>goal</code> 由小写英文字母组成</li>\n</ul>\n",
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