Single Linked List Operations Presentation
| Introduction to Single Linked List Operations | ||
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| • Single linked list is a data structure where each node contains a data element and a pointer to the next node. | ||
| • Single linked list operations involve manipulating and accessing elements in the list. | ||
| • Common operations include insertion, deletion, traversal, and searching. | ||
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| 1 | ||
| Insertion Operation | ||
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| • Insertion operation allows adding elements to the linked list. | ||
| • Insertion at the beginning involves creating a new node, updating the new node's pointer to the current first node, and updating the head pointer to the new node. | ||
| • Insertion at the end involves traversing the list to find the last node, creating a new node, and updating the last node's pointer to the new node. | ||
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| 2 | ||
| Deletion Operation | ||
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| • Deletion operation allows removing elements from the linked list. | ||
| • Deletion at the beginning involves updating the head pointer to the second node and freeing the memory of the first node. | ||
| • Deletion at the end involves traversing the list to find the second-to-last node, updating its pointer to NULL, and freeing the memory of the last node. | ||
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| 3 | ||
| Traversal Operation | ||
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| • Traversal operation allows accessing and processing each element in the linked list. | ||
| • Traversal starts from the head pointer and continues until reaching the last node. | ||
| • During traversal, each node's data can be accessed and processed. | ||
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| 4 | ||
| Searching Operation | ||
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| • Searching operation allows finding a specific element in the linked list. | ||
| • Searching starts from the head pointer and continues until the desired element is found or the end of the list is reached. | ||
| • If the element is found, the position or index of the element can be returned. | ||
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| 5 | ||
| Time Complexity Analysis | ||
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| • Insertion and deletion at the beginning take constant time O(1) as they only involve updating the pointers. | ||
| • Insertion and deletion at the end take linear time O(n) as they require traversing the entire list. | ||
| • Traversal and searching also take linear time O(n) as they involve visiting each node. | ||
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| 6 | ||
| Advantages of Single Linked List | ||
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| • Dynamic size: Single linked list can grow or shrink dynamically based on the elements added or removed. | ||
| • Efficient insertion and deletion at the beginning: These operations can be performed in constant time. | ||
| • Simple implementation: Single linked list is relatively easy to implement and understand. | ||
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| 7 | ||
| Disadvantages of Single Linked List | ||
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| • Inefficient searching: Searching in a single linked list takes linear time, which can be slower for large lists. | ||
| • Extra memory overhead: Each node requires additional memory for holding the pointer to the next node. | ||
| • Limited random access: Accessing elements by index is not efficient in a single linked list. | ||
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| 8 | ||
| Use Cases of Single Linked List | ||
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| • Implementing stacks and queues: Single linked lists can be used as the underlying data structure for implementing stacks and queues. | ||
| • Managing dynamic data: Single linked lists are suitable for managing data that constantly changes in size. | ||
| • Educational purposes: Single linked lists are often used in programming courses to teach data structure concepts. | ||
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| 9 | ||
| Summary | ||
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| • Single linked list operations involve insertion, deletion, traversal, and searching. | ||
| • Insertion and deletion can be performed at the beginning or end of the list. | ||
| • Traversal allows accessing and processing each element in the list. | ||
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| 10 | ||
