Table of Contents
- 1 What do we a call a situation in a linked list when start Null?
- 2 What function is used to allocate node in the SLL?
- 3 What is start Null?
- 4 For what application a linked list can be used?
- 5 What does the following function do for a given linked list with first node as start?
- 6 What data structure is used for breadth first traversal of a graph?
- 7 What is the equivalent of struct node* nodenew?
- 8 What is null in C programming?
What do we a call a situation in a linked list when start Null?
Discussion Forum
| Que. | The situation when in a linked list START=NULL is |
|---|---|
| b. | overflow |
| c. | housefull |
| d. | saturated |
| Answer:underflow |
What function is used to allocate node in the SLL?
The function malloc returns a pointer of the type void * . A pointer of the type void * can be assigned to a pointer of any other object type.
What is the output of following function for start pointing to first node?
2. What is the output of following function for start pointing to first node of following linked list? Explanation: fun() prints alternate nodes of the given Linked List, first from head to end, and then from end to head. If Linked List has even number of nodes, then skips the last node.
What is circular list data structure?
Advertisements. Circular Linked List is a variation of Linked list in which the first element points to the last element and the last element points to the first element. Both Singly Linked List and Doubly Linked List can be made into a circular linked list.
What is start Null?
=> *start=NULL; means you are utilizing a memory space to point to nothing which can be used to point a structure of type node. However after executing the memory allocation line *new_node will point to a valid sturcture type variable in memory.
For what application a linked list can be used?
Linked Lists can be used to implement Stacks , Queues. Linked Lists can also be used to implement Graphs. (Adjacency list representation of Graph).
How linked lists are useful for dynamic memory allocation in data structures?
Linked lists are inherently dynamic data structures; they rely on new and delete (or malloc and free ) for their operation. Normally, dynamic memory management is provided by the C/C++ standard library, with help from the operating system.
What is node in data structure?
A node is a basic unit of a data structure, such as a linked list or tree data structure. Nodes contain data and also may link to other nodes. Links between nodes are often implemented by pointers.
What does the following function do for a given linked list with first node as start?
Discussion Forum
| Que. | What does the following function do for a given Linked List with first node as head? void fun1(struct node* head) { if(head == NULL) return; fun1(head->next); printf(“\%d “, head->data); } |
|---|---|
| b. | Prints all nodes of linked list in reverse order |
| c. | Prints alternate nodes of Linked List |
What data structure is used for breadth first traversal of a graph?
The data structure used in BFS is a queue and a graph.
What is the use of circular linked list?
Applications of Circular Linked List. Circular lists are used in applications where the entire list is accessed one-by-one in a loop. It is also used by the Operating system to share time for different users, generally uses a Round-Robin time-sharing mechanism.
What data structure can be used in implementing a free list?
What datastructures can be used in implementing a free list? Explanation: Sort trees can also be used in impelementing free lists which remaincomplex.
What is the equivalent of struct node* nodenew?
It’s equivalent to: struct node { int data; node* next; }; struct node node; EDIT: In response to your edit, the line: node* nodeNew(int newData, node* newNext) is erroring because nodeisn’t a type. Either change it to: struct node* nodeNew(int newData, struct node* newNext) or change the structure declaration to:
What is null in C programming?
At the very high level, we can think of NULL as a null pointer which is used in C for various purposes. Some of the most common use cases for NULL are a) To initialize a pointer variable when that pointer variable isn’t assigned any valid memory address yet. b) To check for a null pointer before accessing any pointer variable.
What does the final line of {}node() do?
The final line: }node; creates a variable with the type struct node, named node. It’s equivalent to: struct node { int data; node* next; }; struct node node; EDIT: In response to your edit, the line: node* nodeNew(int newData, node* newNext) is erroring because nodeisn’t a type. Either change it to:
What do C standards say about null pointer?
Let us see what C standards say about null pointer. From C11 standard clause 6.3.2.3, “ An integer constant expression with the value 0, or such an expression cast to type void *, is called a null pointer constant.