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In computer science, a double-ended queue (abbreviated to deque, / d ɛ k / DEK [1]) is an abstract data type that generalizes a queue, for which elements can be added to or removed from either the front (head) or back (tail). [2]
In computer science, the word dequeue can be used as: A verb meaning "to remove from a queue" An abbreviation for double-ended queue (more commonly, deque
Queues are common in computer programs, where they are implemented as data structures coupled with access routines, as an abstract data structure or in object-oriented languages as classes. A queue has two ends, the top, which is the only position at which the push operation may occur, and the bottom, which is the only position at which the pop ...
Any random-access sequence supporting operations front (), push_back (), and pop_back can be used to instantiate priority_queue (e.g. vector and deque). It is implemented using a heap. Elements should additionally support comparison (to determine which element has a higher priority and should be popped first). stack
The Deque interface extends the Queue interface. [25] Deque creates a double-ended queue. While a regular Queue only allows insertions at the rear and removals at the front, the Deque allows insertions or removals to take place both at the front and the back. A Deque is like a Queue that can be used forwards or backwards, or both at once ...
Mike McCarthy's time with the Dallas Cowboys is coming to an end.. The 61-year-old coach's contract with the team expires on Tuesday. The two parties couldn't agree to terms on a new deal, so each ...
Queue (abstract data type), a type of data structure in computer science Circular queue; Double-ended queue, also known as a deque; Priority queue; FIFO (computing and electronics) Load (computing) or queue, system load of a computer's operating system; Message queue; Queueing theory, the study of wait lines
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