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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head> <meta name="generator" content= "HTML Tidy for Linux/x86 (vers 1 September 2005), see www.w3.org"> <title>unique</title> <link href="../cppreference.css" rel="stylesheet" type="text/css"></head><body><table> <tr> <td> <div class="body-content"> <div class="header-box"> <a href="../index.html">cppreference.com</a> > <a href= "index.html">C++ Algorithms</a> > <a href= "unique.html">unique</a> </div> <div class="name-format"> unique </div> <div class="syntax-name-format"> Syntax: </div> <pre class="syntax-box"> #include <algorithm> iterator unique( iterator start, iterator end ); iterator unique( iterator start, iterator end, BinPred p );</pre> <p>The unique() algorithm removes all consecutive duplicate elements from the range [<em>start</em>,<em>end</em>). If the binary predicate <em>p</em> is given, then it is used to test to test two elements to see if they are duplicates.</p> <p>The return value of unique() is an iterator to the end of the modified range.</p> <p>unique() runs in <a href="../complexity.html">linear time</a>.</p> <div class="related-name-format"> Related topics: </div> <div class="related-content"> <a href="adjacent_find.html">adjacent_find</a><br> <a href="remove.html">remove</a><br> <a href="unique_copy.html">unique_copy</a> </div> </div> </td> </tr> </table></body></html>⌨️ 快捷键说明
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