Following is the syntax for std::priority_queue::top() function.const_reference top() const; Advertisement - This is a modal window. No compatible source was found for this media.ParametersThis function does not
一、priority_queue介绍priority_queue是一个拥有权值的queue,queue是先来的后出,而priority_queue是权值大的先出,具体可以查看如下的结构图:priority_queue的底层是依靠heap和vector实现的。 二、源码展示 C++ priority_queue用法 std::priority_queueC++ STL默认的priority_queue是将优先级最大的放在队列最前面,也即...
Syntax C++98 C++11 boolempty()const; Parameters No parameter is required. Return Value true if the size of the priority_queue is zero, else returns false. Time Complexity Constanti.e,Θ(1). Example: In the example below, thepriority_queue::emptyfunction is used to check whether the priori...
Syntax Remarks Requirements priority_queue::container_type Zobraziť o 9 viac A template container adaptor class that provides a restriction of functionality limiting access to the top element of some underlying container type, which is always the largest or of the highest priority. New elements ...
The latest version of this topic can be found at priority_queue::size_type (STL/CLR). The type of a signed distance between two element. Syntax 复制 typedef int size_type; Remarks The type describes a non-negative element count. Example 复制 // cliext_priority_queue_size_type.cpp /...
Returns a const reference to the largest element at the top of the priority_queue.SyntaxCopy const_reference top( ) const; Return ValueA reference to the largest element, as determined by the Traits function, object of the priority_queue....
PFC priority enable -g Obtaining flag Returns 0: success Other values: failure Constraints When the link status of the network port is Down, the query is not supported. Example hccn_tool -i 0 -pfc -g Obtains PFC-enabled priority queue of device 0. ...
Syntax hccn_tool [-i %d] -pfc -s [bitmap %s] Description Enables PFC priority queues. Options Option Description -i Device ID. Value range: 0~7. -pfc Priority-based flow control (PFC) enable -s Setting flag bitmap PFC priority queue configuration. There are eight priority queues. Each...
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2.2. PriorityBlockingQueue Comparator example Let’s redefine the custom ordering usingJava 8 lambda based comparatorsyntax and verify the result. We are using constructorPriorityBlockingQueue(int initialCapacity, Comparator comparator). //Comparator for name field ...