While using namespace std is already considered bad practice in general, it's especially evil in a header file. Never use using namespace std in a header. Linkedlist & linkedlist::operator=(const linkedlist &rhs)įor (node *tmp = rhs.head->next tmp != NULL tmp = tmp->next)įor (temp = head temp->next != NULL temp = temp->next) īool linkedlist::search(const T data) constįor (node *tmp = head tmp != NULL tmp = tmp->next)įor ( curr != NULL & removed = false curr = curr->next)įor (node *temp = rhs.head temp != NULL temp = temp->next) ![]() Linkedlist::linkedlist(const linkedlist & rhs) : head(NULL) If (lhsTemp != NULL & rhsTemp = NULL || lhsTemp = NULL & rhsTemp != NULL) While (lhsTemp != NULL || rhsTemp != NULL) While (lhsTemp != NULL & rhsTemp != NULL)īool linkedlist::operator>(const linkedlist& rhs) constīool linkedlist::operator=(const linkedlist &rhs) const Linkedlist &operator=(const linkedlist &rhs) īool operator=(const linkedlist &rhs) const īool operator!=(const linkedlist &rhs) const īool operator>(const linkedlist &rhs) const īool linkedlist::operator!=(const linkedlist &rhs) const The following code compiles and works, If possible I would like the code reviewed in C++98, If not the closest to him which is C++03 #include I guess the best method is to use a list in the STL library.Īny improvements will be greatly appreciated. Try to understand the code by allocating two to three nodes by above mechanism and you will get it.My implementation is only for study purposes, I agree that some of the features may be counter-intuitive. Prev=p – We made the last node ‘prev’ for the next iteration. We pointed it to the node ‘p’ and hence added a node to our linked list. The ‘next’ of this prev is holding NULL till now. Prev->next=p – We have used the prev to store the record of the previous node to the current node (the last node from the previous iteration) (you will see in the next line). Head=p – We have given the value to the ‘head’ and thus made the first node of our linked list.Įlse – The linked list is already there and we just have to add a node in this linked list. If(head=NULL) – If the ‘head’ is NULL, then our linked list is not created. ![]() We are storing n number of elements in our linked list. This pointer holds the address of the next node and creates the link between two nodes. Each structure represents a node having some data and also a pointer to another structure of the same kind. ![]() In C, we achieve this functionality by using structures and pointers. Notice that the last node doesn’t point to any other node and just stores NULL. Here, each node contains a data member (the upper part of the picture) and link to another node(lower part of the picture). It is similar to the picture given below. ![]() Every node is mainly divided into two parts, one part holds the data and the other part is connected to a different node. You can also practice a good number of questions from practice section.Ī linked list is made up of many nodes which are connected in nature. You can go through the pointers chapter if you don’t have a strong grip over it. The implementation of a linked list in C is done using pointers. Linked lists are very useful in this type of situations. We often face situations, where the data is dynamic in nature and number of data can’t be predicted or the number of data keeps changing during program execution. Linked list is one of the most important data structures.
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