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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>C++ Double-ended Queues</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++ Double-ended Queues</a> </div> <div class="name-format"> C++ Double-ended Queues </div> <p>Double-ended queues are like vectors, except that they allow fast insertions and deletions at the beginning (as well as the end) of the container.</p> <p><a href="all.html">Display all entries</a> for C++ Double-ended Queues on one page, or view entries individually:</p> <table class="category-table"> <tr class="category-table-tr-2"> <td class="category-table-td"><a href= "container_constructors2.html">Container constructors</a></td> <td class="category-table-td">create dequeues and initialize them with some data</td> </tr> <tr class="category-table-tr-1"> <td class="category-table-td"><a href= "container_operators.html">Container operators</a></td> <td class="category-table-td">compare, assign, and access elements of a dequeue</td> </tr> <tr class="category-table-tr-2"> <td class="category-table-td"><a href= "assign.html">assign</a></td> <td class="category-table-td">assign elements to a dequeue</td> </tr> <tr class="category-table-tr-1"> <td class="category-table-td"><a href="at.html">at</a></td> <td class="category-table-td">returns an element at a specific location</td> </tr> <tr class="category-table-tr-2"> <td class="category-table-td"><a href="back.html">back</a></td> <td class="category-table-td">returns a reference to last element of a dequeue</td> </tr> <tr class="category-table-tr-1"> <td class="category-table-td"><a href="begin.html">begin</a></td> <td class="category-table-td">returns an iterator to the beginning of the dequeue</td> </tr> <tr class="category-table-tr-2"> <td class="category-table-td"><a href="clear.html">clear</a></td> <td class="category-table-td">removes all elements from the dequeue</td> </tr> <tr class="category-table-tr-1"> <td class="category-table-td"><a href="empty.html">empty</a></td> <td class="category-table-td">true if the dequeue has no elements</td> </tr> <tr class="category-table-tr-2"> <td class="category-table-td"><a href="end.html">end</a></td> <td class="category-table-td">returns an iterator just past the last element of a dequeue</td> </tr> <tr class="category-table-tr-1"> <td class="category-table-td"><a href="erase.html">erase</a></td> <td class="category-table-td">removes elements from a dequeue</td> </tr> <tr class="category-table-tr-2"> <td class="category-table-td"><a href="front.html">front</a></td> <td class="category-table-td">returns a reference to the first element of a dequeue</td> </tr> <tr class="category-table-tr-1"> <td class="category-table-td"><a href= "insert.html">insert</a></td> <td class="category-table-td">inserts elements into the dequeue</td> </tr> <tr class="category-table-tr-2"> <td class="category-table-td"><a href= "max_size.html">max_size</a></td> <td class="category-table-td">returns the maximum number of elements that the dequeue can hold</td> </tr> <tr class="category-table-tr-1"> <td class="category-table-td"><a href= "pop_back.html">pop_back</a></td> <td class="category-table-td">removes the last element of a dequeue</td> </tr> <tr class="category-table-tr-2"> <td class="category-table-td"><a href= "pop_front.html">pop_front</a></td> <td class="category-table-td">removes the first element of the dequeue</td> </tr> <tr class="category-table-tr-1"> <td class="category-table-td"><a href= "push_back.html">push_back</a></td> <td class="category-table-td">add an element to the end of the dequeue</td> </tr> <tr class="category-table-tr-2"> <td class="category-table-td"><a href= "push_front.html">push_front</a></td> <td class="category-table-td">add an element to the front of the dequeue</td> </tr> <tr class="category-table-tr-1"> <td class="category-table-td"><a href= "rbegin.html">rbegin</a></td> <td class="category-table-td">returns a <a href= "../iterators.html">reverse_iterator</a> to the end of the dequeue</td> </tr> <tr class="category-table-tr-2"> <td class="category-table-td"><a href="rend.html">rend</a></td> <td class="category-table-td">returns a <a href= "../iterators.html">reverse_iterator</a> to the beginning of the dequeue</td> </tr> <tr class="category-table-tr-1"> <td class="category-table-td"><a href= "resize.html">resize</a></td> <td class="category-table-td">change the size of the dequeue</td> </tr> <tr class="category-table-tr-2"> <td class="category-table-td"><a href="size.html">size</a></td> <td class="category-table-td">returns the number of items in the dequeue</td> </tr> <tr class="category-table-tr-1"> <td class="category-table-td"><a href="swap.html">swap</a></td> <td class="category-table-td">swap the contents of this dequeue with another</td> </tr> </table> </div> </td> </tr> </table></body></html>
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