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Linked Lists Questions

NA
SHSTTON
442
Solv. Corr.
688
Solv. In. Corr.
1130
Attempted
0 M:55 S
Avg. Time

1 / 48

Choose the correct option.

What Member function places a new node at the end of the linked list?


AaddNode

Bappend Node

CDisplayNode

DStructNode

ENone of these

Answer: Option A

Explanation:

The appendNode() member function places a new node at the end of the linked list. The appendNode() requires an integer representing the current data of the node.

Workspace

NA
SHSTTON
1143
Solv. Corr.
1728
Solv. In. Corr.
2871
Attempted
0 M:45 S
Avg. Time

2 / 48

Choose the correct option.

How would you make the middle node of a doubly linked list to the top of the list?
Let assume "X" is the middle node


AX->next->prev = x->prev x->prev->next = x->next x->next = head head->prev=x

Bx->next = head head->prev=x

CX->next->prev=x->next x->prev->next = x->prev x->next = head head->prev=x

DNone of these

Answer: Option A

Explanation:

c

Workspace

NA
SHSTTON
1278
Solv. Corr.
1112
Solv. In. Corr.
2390
Attempted
0 M:27 S
Avg. Time

3 / 48

Choose the correct option.

To create a linked list, we can allocate space and make something point to it, by

writing:

struct-narne *pointer-variable;

Which of the following statement will correctly allocate the space


Apointer-variable= malloc(sizeof(*struct-narne));

Bpointer-variable = malloc(sizeof(struct struct-name));

Cpointer-variable = a!loc(sizeof(struct struct-name));

Dpointer-variable = alloc(sizeof(*struct-name));

Answer: Option A

Explanation:

A

Workspace

NA
SHSTTON
451
Solv. Corr.
1450
Solv. In. Corr.
1901
Attempted
2 M:5 S
Avg. Time

4 / 48

Choose the correct option.

Assume single linked list pseudo code as follows?

struct Node {
data
next
}
record List {
Node firstNode
}

function1(List list) {
obsoleteNode = list.firstNode; list.firstNode = list.firstNode.next; free obsoleteNode;
}

function2(node node) {
obsoleteNode = node.next; node.next= node.next.next; free obsoleteNode;
}

function3(Node node,Node newNode) {
newNode.next = node.next;node.next= newNode
}

function4(List list, Node newNode) {
newNode.next = list.firstNode; list.firstNode = newNode;
}


Afunction1 removes the first node

Bfunction2 removes node past this one

Cfunction3 inserts newNode after node

Dfunction4 inserts newNode after current first node

Answer: Option C

Explanation:

What is the purpose of  clear function provided.

def clear(self):

 self.tail = None

 self.head = None

Select one:

Workspace

NA
SHSTTON
440
Solv. Corr.
650
Solv. In. Corr.
1090
Attempted
0 M:13 S
Avg. Time

5 / 48

Choose the correct option.

Which of the following can a Dynamic Link Library contain?


AOnly Code

BCode and Data Only

CCode and Resources only

DCode, Data and Resources

Answer: Option D

Explanation:

Here is no explanation for this answer

Workspace

NA
SHSTTON
517
Solv. Corr.
714
Solv. In. Corr.
1231
Attempted
0 M:13 S
Avg. Time

6 / 48

Choose the correct option.

Consider a linked list of n elements. What is the time taken to insert an element after an element pointed by some pointer?


AO(1)

BO(log2 n)

CO(n)

DO(nlog2 n)

Answer: Option A

Explanation:

Here is no explanation for this answer

Workspace

NA
SHSTTON
988
Solv. Corr.
894
Solv. In. Corr.
1882
Attempted
0 M:17 S
Avg. Time

7 / 48

Choose the correct option.

In a circular linked list


Acomponents are all linked together in some sequential manner.

Bthere is no beginning and no end.

Ccomponents are arranged hierarchically.

Dforward and backward traversal within the list is permitted.

Answer: Option B

Explanation:

geg

Workspace

NA
SHSTTON
826
Solv. Corr.
331
Solv. In. Corr.
1157
Attempted
0 M:3 S
Avg. Time

8 / 48

Choose the correct option.

In a linked list with n nodes, the time taken to insert an element after an element pointed by some pointer is


AO(1)

BO(log n)

CO(n)

DO(n1og n)

Answer: Option A

Explanation:

Here is no explanation for this answer

Workspace

NA
SHSTTON
587
Solv. Corr.
1313
Solv. In. Corr.
1900
Attempted
0 M:30 S
Avg. Time

9 / 48

Choose the correct option.

Which of the following operations is performed more efficiently by doubly linked list than by singly linked list?


ADeleting a node whose location in given

BSearching of an unsorted list for a given item

CInverting a node after the node with given location

DTraversing a list to process each node

Answer: Option A

Explanation:

Here is no explanation for this answer

Workspace

NA
SHSTTON
366
Solv. Corr.
604
Solv. In. Corr.
970
Attempted
0 M:3 S
Avg. Time

10 / 48

Choose the correct option.

The time required to delete a node x from a doubly linked list having n nodes is


AO(n)

BO(log n)

CO(1)

DO(n log n)

Answer: Option C

Explanation:

Here is no explanation for this answer

Workspace

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