std::priority_queue::top

From cppreference.com
const_reference top() const;

Returns reference to the top element in the priority queue. This element will be removed on a call to pop(). If default comparison function is used, the returned element is also the greatest among the elements in the queue.

Parameters

(none)

Return value

Reference to the top element as if obtained by a call to c.front()

Complexity

Constant.

See also

removes the top element
(public member function)