Self-referential data structure:

It is a data structure, contains sequence of elements which includes at least one pointer variable in type of its own kind. It can be implemented to form other data structures such as list, stacks, queues and trees.

Purpose of self-referential pointer:

The purpose of the self-referential data structure is that each variable maintains a link to another variable of the same type to forming a non-contiguous data structure. It is also called as a linked list...

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Starting Out with C++ from Control Structures to Objects (9th Edition)

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Solution Summary: The author explains the purpose of a self-referential data structure: each variable maintains its link to another variable of the same type to form non-contiguous data structures.

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