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0049-group-anagrams/README.md

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+<h2><a href="https://leetcode.com/problems/group-anagrams/">49. Group Anagrams</a></h2><h3>Medium</h3><hr><p>Given an array of strings <code>strs</code>, group the <span data-keyword="anagram">anagrams</span> together. You can return the answer in <strong>any order</strong>.</p>
+
+<p>&nbsp;</p>
+<p><strong class="example">Example 1:</strong></p>
+
+<div class="example-block">
+<p><strong>Input:</strong> <span class="example-io">strs = [&quot;eat&quot;,&quot;tea&quot;,&quot;tan&quot;,&quot;ate&quot;,&quot;nat&quot;,&quot;bat&quot;]</span></p>
+
+<p><strong>Output:</strong> <span class="example-io">[[&quot;bat&quot;],[&quot;nat&quot;,&quot;tan&quot;],[&quot;ate&quot;,&quot;eat&quot;,&quot;tea&quot;]]</span></p>
+
+<p><strong>Explanation:</strong></p>
+
+<ul>
+	<li>There is no string in strs that can be rearranged to form <code>&quot;bat&quot;</code>.</li>
+	<li>The strings <code>&quot;nat&quot;</code> and <code>&quot;tan&quot;</code> are anagrams as they can be rearranged to form each other.</li>
+	<li>The strings <code>&quot;ate&quot;</code>, <code>&quot;eat&quot;</code>, and <code>&quot;tea&quot;</code> are anagrams as they can be rearranged to form each other.</li>
+</ul>
+</div>
+
+<p><strong class="example">Example 2:</strong></p>
+
+<div class="example-block">
+<p><strong>Input:</strong> <span class="example-io">strs = [&quot;&quot;]</span></p>
+
+<p><strong>Output:</strong> <span class="example-io">[[&quot;&quot;]]</span></p>
+</div>
+
+<p><strong class="example">Example 3:</strong></p>
+
+<div class="example-block">
+<p><strong>Input:</strong> <span class="example-io">strs = [&quot;a&quot;]</span></p>
+
+<p><strong>Output:</strong> <span class="example-io">[[&quot;a&quot;]]</span></p>
+</div>
+
+<p>&nbsp;</p>
+<p><strong>Constraints:</strong></p>
+
+<ul>
+	<li><code>1 &lt;= strs.length &lt;= 10<sup>4</sup></code></li>
+	<li><code>0 &lt;= strs[i].length &lt;= 100</code></li>
+	<li><code>strs[i]</code> consists of lowercase English letters.</li>
+</ul>