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@@ -12,7 +12,7 @@
"translatedContent": "<p>给定一个由表示变量之间关系的字符串方程组成的数组,每个字符串方程 <code>equations[i]</code> 的长度为 <code>4</code>,并采用两种不同的形式之一:<code>&quot;a==b&quot;</code> 或&nbsp;<code>&quot;a!=b&quot;</code>。在这里a 和 b 是小写字母(不一定不同),表示单字母变量名。</p>\n\n<p>只有当可以将整数分配给变量名,以便满足所有给定的方程时才返回&nbsp;<code>true</code>,否则返回 <code>false</code>。&nbsp;</p>\n\n<p>&nbsp;</p>\n\n<ol>\n</ol>\n\n<p><strong>示例 1</strong></p>\n\n<pre><strong>输入:</strong>[&quot;a==b&quot;,&quot;b!=a&quot;]\n<strong>输出:</strong>false\n<strong>解释:</strong>如果我们指定a = 1 且 b = 1那么可以满足第一个方程但无法满足第二个方程。没有办法分配变量同时满足这两个方程。\n</pre>\n\n<p><strong>示例 2</strong></p>\n\n<pre><strong>输入:</strong>[&quot;b==a&quot;,&quot;a==b&quot;]\n<strong>输出:</strong>true\n<strong>解释:</strong>我们可以指定 a = 1 且 b = 1 以满足满足这两个方程。\n</pre>\n\n<p><strong>示例 3</strong></p>\n\n<pre><strong>输入:</strong>[&quot;a==b&quot;,&quot;b==c&quot;,&quot;a==c&quot;]\n<strong>输出:</strong>true\n</pre>\n\n<p><strong>示例 4</strong></p>\n\n<pre><strong>输入:</strong>[&quot;a==b&quot;,&quot;b!=c&quot;,&quot;c==a&quot;]\n<strong>输出:</strong>false\n</pre>\n\n<p><strong>示例 5</strong></p>\n\n<pre><strong>输入:</strong>[&quot;c==c&quot;,&quot;b==d&quot;,&quot;x!=z&quot;]\n<strong>输出:</strong>true\n</pre>\n\n<p>&nbsp;</p>\n\n<p><strong>提示:</strong></p>\n\n<ol>\n\t<li><code>1 &lt;= equations.length &lt;= 500</code></li>\n\t<li><code>equations[i].length == 4</code></li>\n\t<li><code>equations[i][0]</code> 和&nbsp;<code>equations[i][3]</code>&nbsp;是小写字母</li>\n\t<li><code>equations[i][1]</code> 要么是&nbsp;<code>&#39;=&#39;</code>,要么是&nbsp;<code>&#39;!&#39;</code></li>\n\t<li><code>equations[i][2]</code>&nbsp;是&nbsp;<code>&#39;=&#39;</code></li>\n</ol>\n",
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"difficulty": "Medium",
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"similarQuestions": "[]",
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"id": "138",