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In CQ we utilize memory efficiently. because in queue when we delete any

element only front increment by 1, but that position is not used later. so when

we perform more add and delete operation, memory wastage increase. But in CQ

memory is utilized, if we delete any element that position is used later,

because it is circular.

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Array implementation of priority queue?

the priority queue is which depends on the data stored.in which their priority is maintained by checking the forth coming values stored in the queue


What are the different types of queues?

A priority queue is a queue in which each element is inserted or deleted on the basis of their priority. A higher priority element is added first before any lower priority element. If in case priority of two element is same then they are added to the queue on FCFS basis (first come first serve). Mainly there are two kinds of priority queue: 1) Static priority queue 2) Dynamic priority queue


Minimum number of queues needed to implement the priority queue?

Separated queue for every possible priority value.


What is priority queue?

A priority queue is a collection of elements that each element has been assigned a priority and such that order in which elements are deleted and processed comes from the following riles: 1) An element of higher priority is processed before any element of lower priority. 2) Two element with the same priority are processed according to the order in which they were added to the queue.


Explai the nature of the various types queues in data structures?

The queue is a linear data structure where operations of insertion and deletion are performed at separate ends also known as front and rear. Queue is a FIFO structure that is first in first out. A circular queue is similar to the normal queue with the difference that queue is circular queue ; that is pointer rear can point to beginning of the queue when it reaches at the end of the queue. Advantage of this type of queue is that empty location let due to deletion of elements using front pointer can again be filled using rear pointer. A priority queue is a queue in which each element is inserted or deleted on the basis of their priority. A higher priority element is added first before any lower priority element. If in case priority of two element is same then they are added to the queue on FCFS basis (first come first serve). Mainly there are two kinds of priority queue: 1) Static priority queue 2) Dynamic priority queue A double ended queue (or deque ) is a queue where insertion and deletion can be performed at both end that is front pointer can be used for insertion (apart from its usual operation i.e. deletion) and rear pointer can be used for deletion (apart from its usual operation i.e. insertion)

Related Questions

What are the advantages of using a decrease key operation in a priority queue to efficiently manage the priority of elements?

Using a decrease key operation in a priority queue allows for efficiently changing the priority of elements. This can lead to faster updates and better performance in managing the order of elements in the queue.


What are advantages and disadvantages of priority?

The advantage of a priority queue is that nodes can be weighted, allowing those with greater precedence to be moved towards the head of the queue, in front of those with lesser priority, rather than always being added to the tail of the queue as would happen in a normal queue. The disadvantage is that insertions are no longer performed in constant time as new nodes must use insertion sort to find their place in the queue (behind nodes with greater or equal priority). However, if the variable weights are finite, maintaining pointers for each weight in a static array will provide constant time insertions.


What is the difference between a priority queue and a circular queue?

A circular queue is similar to the normal queue with the difference that queue is circular queue ; that is pointer rear can point to beginning of the queue when it reaches at the end of the queue. A priority queue is a queue in which each element is inserted or deleted on the basis of their priority. A higher priority element is added first before any lower priority element. If in case priority of two element is same then they are added to the queue on FCFS basis (first come first serve).


What are the Advantages and disadvantages of optimal merge pattern?

The optimal merge pattern efficiently combines multiple sorted files into a single sorted file by minimizing the overall cost of merging, often using a priority queue. Advantages include reduced time complexity and cost, as it minimizes the number of comparisons needed during the merge process. However, its disadvantages include the overhead of maintaining a priority queue and the potential inefficiency when dealing with a small number of files, where simpler methods might be faster. Additionally, it requires additional space for the queue, which can be a limitation in memory-constrained environments.


What are the difference between ascending priority queue and descending queue?

Ascending priority queue is a collection of items which can be inserted aurbitarly and which can be removed smallest item. Descending priority queue is similar to ascending priority queue but it allows the deletion of the largest item.


Array implementation of priority queue?

the priority queue is which depends on the data stored.in which their priority is maintained by checking the forth coming values stored in the queue


What is the time complexity for inserting an element into a priority queue?

The time complexity for inserting an element into a priority queue is O(log n), where n is the number of elements in the priority queue.


What is the time complexity of inserting an element into a priority queue?

The time complexity of inserting an element into a priority queue is O(log n), where n is the number of elements in the priority queue.


What is the time complexity of popping an element from a priority queue?

The time complexity of popping an element from a priority queue is O(log n), where n is the number of elements in the priority queue.


What is the process for inserting a keyword into a priority queue?

To insert a keyword into a priority queue, you first assign a priority value to the keyword based on its importance. Then, you add the keyword to the queue according to its priority, ensuring that higher priority keywords are placed at the front of the queue. This process helps in efficiently managing and accessing the keywords based on their priority levels.


What are the different types of queues?

A priority queue is a queue in which each element is inserted or deleted on the basis of their priority. A higher priority element is added first before any lower priority element. If in case priority of two element is same then they are added to the queue on FCFS basis (first come first serve). Mainly there are two kinds of priority queue: 1) Static priority queue 2) Dynamic priority queue


Minimum number of queues needed to implement the priority queue?

Separated queue for every possible priority value.