📄 find_first_of.html
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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>find_first_of</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= "find_first_of.html">find_first_of</a> </div> <div class="name-format"> find_first_of </div> <div class="syntax-name-format"> Syntax: </div> <pre class="syntax-box"> #include <algorithm> iterator find_first_of( iterator start, iterator end, iterator find_start, iterator find_end ); iterator find_first_of( iterator start, iterator end, iterator find_start, iterator find_end, BinPred bp );</pre> <p>The find_first_of() function searches for the first occurence of any element between <em>find_start</em> and <em>find_end</em>. The data that are searched are those between <em>start</em> and <em>end</em>.</p> <p>If any element between <em>find_start</em> and <em>find_end</em> is found, an iterator pointing to that element is returned. Otherwise, an iterator pointing to <em>end</em> is returned.</p> <p>For example, the following code searches for a 9, 4, or 7 in an array of integers:</p> <pre class="example-code"> int nums[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }; int* result; int start = 0; int end = 10; int targets[] = { 9, 4, 7 }; result = find_first_of( nums + start, nums + end, targets + 0, targets + 2 ); if( *result == nums[end] ) { cout << "Did not find any of { 9, 4, 7 }" << endl; } else { cout << "Found a matching target: " << *result << endl; } </pre> <div class="related-name-format"> Related topics: </div> <div class="related-content"> <a href="adjacent_find.html">adjacent_find</a><br> <a href="find.html">find</a><br> <a href="find_end.html">find_end</a><br> <a href="find_if.html">find_if</a><br> (Standard C String and Character) <a href= "../stdstring/strpbrk.html">strpbrk</a> </div> </div> </td> </tr> </table></body></html>⌨️ 快捷键说明
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