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What are the advantages and disadvantages of DLL over single linked list?
Wiki User
∙ 12y ago
The main advantage of a doubly-linked list is that you can traverse and search the list both forwards and backwards. Although you can also add to the beginning and end of the list, and retrieve the same, in constant time O(1), this is also possible with a slightly modified singly-linked list simply by maintaining a pointer to the last node as well as the first.
Thus the only real difference is whether you need to traverse bi-directionally or not. If not, a modified singly-linked list would be more efficient. And if you only require fast access to the first node, a standard singly-linked list would be slightly more efficient.
Wiki User
∙ 12y ago
Wiki User
∙ 14y ago1.Good memory management
2.fragmented memory provided
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