A singly-linked circular list is useful for implementing queue data structures with minimum overhead. Normally we implement a queue with two pointers: one to the tail for insertions and one to the head for extractions. With a circular list we only need to maintain a single pointer to the tail because the tail always points "forwards" to the head (instead of null as it normally would), thus achieving constant-time access to both the head and tail via a single pointer.
Circular linked lists are generally useful wherever "wraparound" is necessary. That is, from any given node in the list, we can traverse forwards with the guarantee that we will eventually arrive back at that same node. With doubly-linked circular lists we have the advantage of traversing in either direction (bi-directional traversal).
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The Josephus problem is a problem to locate the place for the last survivour. It shows the power of the circular linked list over the singly linked lists.
All lists are linked lists; there is no such thing as a separate "sorted list". There are algorithms that can sort a list, of course, but they all work on linked lists.
If you are referring to the Linked Lists used in programming: You can use the Linked lists you learn in c++ (for example) to define actual shapes in OpenGL (a graphics library), then just 'call' the shapes and apply transformations to them (moving them around, rotating, etc). This method saves a lot of bandwidth between your CPU and video card as the shapes are defined already. Hopes this answers your question
Linked list is a dynamic data structure that contains a "link" to the structure containing the next item. It is a collection of structures ordered not by their physical placement in memory (like array) but by logical links that are stored as part of the data in the structure itself.Advantages of Linked Lists- Dynamic structure (Mem. Allocated at run-time).- We can have more than one datatype.- Re-arrange of linked list is easy (Insertion-Deletion).- It doesn't waste memory.Disadvantages of Linked Lists- In linked list, if we want to access any node it is difficult.- It is occupying more memory.
Circular linked lists are really no different to ordinary linked lists, other than that the tail node points back to the head node (and vice versa if the list is doubly-linked). Therefore the merge process is exactly the same: iterate through the second list and insert each node's data into the first list. Since lists are un-associated containers, it doesn't matter where the insertions occur but, by convention, insertions typically occur at the tail of the list. If an order must be maintain, an insertion sort should be employed instead. Note that if you need to maintain the original two lists (in their un-merged state), simply copy the first and insert the second into the copy instead.