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How do you write a Java program to implement weighted queue using circular doubly linked list?

Add weights to the elements of the queue and use an algorithm to sort the queue every time an element is added.


Algorithm to implement Multiple queue in single dimensional array?

algorithm on multiple queues in a single dimensional array


What is queue algorithm?

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Queue ADT Using Array?

implement the queue ADT using an array


How do you implement a FIFO structure?

FIFO is a first-in, first out structure. In other words, it is a queue. The most efficient way to implement a queue is with a circular array.


How can the priority queue decrease-key operation be efficiently implemented to optimize the performance of the data structure?

To efficiently implement the decrease-key operation in a priority queue, you can use a data structure like a binary heap or Fibonacci heap. These data structures allow for efficient updates to the priority queue while maintaining the heap property, which helps optimize performance.


What is an alternative approach to implementing the Dijkstra algorithm without utilizing the decrease key operation?

One alternative approach to implementing the Dijkstra algorithm without using the decrease key operation is to use a data structure called a bucket queue. This data structure allows for efficient updates of node priorities without the need for the decrease key operation.


How many stacks needs to implement queue?

One.


Minimum number of queues needed to implement the priority queue?

Separated queue for every possible priority value.


Why an operation to check queue overflow is not implemented on linked queue?

In linked queue we're dynamically allocating the memory and there's no fixed memory limit in Linked Queue. That's why there's no operation for overflow. I guess It's the correct reason


What is most appropriate data structure to implement priority queue?

heap


What is the queue algorithm?

Usually it's modelled by the function (alpha)e^(-alpha *x).