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26 lines
967 B
HTML
26 lines
967 B
HTML
<p>Given the <code>head</code> of a sorted linked list, <em>delete all duplicates such that each element appears only once</em>. Return <em>the linked list <strong>sorted</strong> as well</em>.</p>
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<p> </p>
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<p><strong>Example 1:</strong></p>
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<img alt="" src="https://assets.leetcode.com/uploads/2021/01/04/list1.jpg" style="width: 302px; height: 242px;" />
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<pre>
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<strong>Input:</strong> head = [1,1,2]
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<strong>Output:</strong> [1,2]
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</pre>
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<p><strong>Example 2:</strong></p>
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<img alt="" src="https://assets.leetcode.com/uploads/2021/01/04/list2.jpg" style="width: 542px; height: 222px;" />
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<pre>
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<strong>Input:</strong> head = [1,1,2,3,3]
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<strong>Output:</strong> [1,2,3]
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</pre>
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<p> </p>
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<p><strong>Constraints:</strong></p>
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<ul>
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<li>The number of nodes in the list is in the range <code>[0, 300]</code>.</li>
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<li><code>-100 <= Node.val <= 100</code></li>
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<li>The list is guaranteed to be <strong>sorted</strong> in ascending order.</li>
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</ul>
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