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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>partial_sum</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= "partial_sum.html">partial_sum</a> </div> <div class="name-format"> partial_sum </div> <div class="syntax-name-format"> Syntax: </div> <pre class="syntax-box"> #include <numeric> iterator partial_sum( iterator start, iterator end, iterator result ); iterator partial_sum( iterator start, iterator end, iterator result, BinOp p );</pre> <p>The partial_sum() function calculates the partial sum of a range defined by [<em>start</em>,<em>end</em>), storing the output at <em>result</em>.</p> <ul> <li><em>start</em> is assigned to *<em>result</em>, the sum of *<em>start</em> and *(<em>start</em> + 1) is assigned to *(<em>result</em> + 1), etc.</li> </ul> <p>partial_sum() runs in <a href="../complexity.html">linear time</a>.</p> <div class="related-name-format"> Related topics: </div> <div class="related-content"> <a href="accumulate.html">accumulate</a><br> <a href="adjacent_difference.html">adjacent_difference</a><br> <a href="count.html">count</a><br> <a href="inner_product.html">inner_product</a><br> </div> </div> </td> </tr> </table></body></html>⌨️ 快捷键说明
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