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<A HREF="index.html">cppreference.com</A> -> C++ Priority Queues(优先队列)
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<H3>C++ Priority Queues(优先队列)</H3>
<P>C++优先队列类似<A HREF="cppqueue.html">队列</A>，
但是在这个数据结构中的元素按照一定的断言排列有序。</P>
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<TR BGCOLOR="EEEEFF"><TD><A HREF="cpppriorityqueue_details.html#empty" >empty()</A></TD>
<TD>如果优先队列为空，则返回真</TD>
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<TR><TD><A HREF="cpppriorityqueue_details.html#pop" >pop()</A></TD>
<TD>删除第一个元素</TD>
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<TR BGCOLOR="EEEEFF"><TD><A HREF="cpppriorityqueue_details.html#push" >push()</A></TD>
<TD>加入一个元素</TD>
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<TR><TD><A HREF="cpppriorityqueue_details.html#size" >size()</A></TD>
<TD>返回优先队列中拥有的元素的个数</TD>
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<TR BGCOLOR="EEEEFF"><TD><A HREF="cpppriorityqueue_details.html#top" >top()</A></TD>
<TD>返回优先队列中有最高优先级的元素</TD>
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