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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>set_symmetric_difference</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= "set_symmetric_difference.html">set_symmetric_difference</a> </div> <div class="name-format"> set_symmetric_difference </div> <div class="syntax-name-format"> Syntax: </div> <pre class="syntax-box"> #include <algorithm> iterator set_symmetric_difference( iterator start1, iterator end1, iterator start2, iterator end2, iterator result ); iterator set_symmetric_difference( iterator start1, iterator end1, iterator start2, iterator end2, iterator result, StrictWeakOrdering cmp );</pre> <p>The set_symmetric_difference() algorithm computes the symmetric difference of the two sets defined by [<em>start1</em>,<em>end1</em>) and [<em>start2</em>,<em>end2</em>) and stores the difference starting at <em>result</em>.</p> <p>Both of the sets, given as ranges, must be sorted in ascending order.</p> <p>The return value of set_symmetric_difference() is an iterator to the end of the result range.</p> <p>If the strict weak ordering comparison function object <em>cmp</em> is not specified, set_symmetric_difference() will use the < operator to compare elements.</p> <div class="related-name-format"> Related topics: </div> <div class="related-content"> <a href="includes.html">includes</a><br> <a href="set_difference.html">set_difference</a><br> <a href="set_intersection.html">set_intersection</a><br> <a href="set_union.html">set_union</a> </div> </div> </td> </tr> </table></body></html>⌨️ 快捷键说明
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