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Questions and Answers
Which method correctly destructs a linked list using recursion?
Which method correctly destructs a linked list using recursion?
- delete head; head = head -> next;
- destroy(head) { delete head; head = head -> next; }
- destroy(head);
- destroy(n) { destroy(n->next); delete n; } (correct)
What is the purpose of the 'destroy' function mentioned in the text?
What is the purpose of the 'destroy' function mentioned in the text?
- To create a new linked list
- To recursively destroy the linked list (correct)
- To remove duplicates from the linked list
- To add a node to the linked list
In the context of the text, what should be the base case for the 'destroy' function?
In the context of the text, what should be the base case for the 'destroy' function?
- n != NULL
- n == 0
- n != 0
- n == NULL (correct)
What problem is likely to occur if memory is accessed after it has been freed?
What problem is likely to occur if memory is accessed after it has been freed?
How does the 'destroy' function ensure proper removal of nodes in a linked list?
How does the 'destroy' function ensure proper removal of nodes in a linked list?
What is the purpose of the 'addSorted' function in the given code snippet?
What is the purpose of the 'addSorted' function in the given code snippet?
In the context of the provided code, what does 'curr_head->next = addSorted(data, curr_head->next)' achieve?
In the context of the provided code, what does 'curr_head->next = addSorted(data, curr_head->next)' achieve?
What is the role of the 'Node' class in the 'LinkedList' class declaration?
What is the role of the 'Node' class in the 'LinkedList' class declaration?
What does the recursive function 'addSorted' return when 'curr == NULL'?
What does the recursive function 'addSorted' return when 'curr == NULL'?
How is the connection between two parts of a linked list achieved in the provided code snippet?
How is the connection between two parts of a linked list achieved in the provided code snippet?
According to the pointer to a pointer approach, what is the criteria for updating 'current' while adding a node to a sorted linked list?
According to the pointer to a pointer approach, what is the criteria for updating 'current' while adding a node to a sorted linked list?
In the recursive approach for inserting a node in sorted order, if 'curr_head' points to the head of the list, where would a new node belong?
In the recursive approach for inserting a node in sorted order, if 'curr_head' points to the head of the list, where would a new node belong?
What does setting *current to a new node accomplish in the pointer to a pointer approach for adding a node to a sorted linked list?
What does setting *current to a new node accomplish in the pointer to a pointer approach for adding a node to a sorted linked list?
In the context of adding a node to a sorted linked list, what does (*current)->data represent?
In the context of adding a node to a sorted linked list, what does (*current)->data represent?
When would a new box with data 8 and next pointing to *current be created in the insertion process for a sorted linked list?
When would a new box with data 8 and next pointing to *current be created in the insertion process for a sorted linked list?
What action signifies reaching the end of the list when adding a node using a pointer to a pointer approach?
What action signifies reaching the end of the list when adding a node using a pointer to a pointer approach?
What is the main advantage of using a set while iterating through a linked list?
What is the main advantage of using a set while iterating through a linked list?
How does the complexity of adding an element to the front of a LinkedList compare with an array?
How does the complexity of adding an element to the front of a LinkedList compare with an array?
What data structure can be used to implement a set and achieve amortized O(1) complexity for set containment operation?
What data structure can be used to implement a set and achieve amortized O(1) complexity for set containment operation?
Why does LinkedList trade the ability to easily access a particular index with other operations?
Why does LinkedList trade the ability to easily access a particular index with other operations?
When might a LinkedList exhibit O(n) complexity for certain operations?
When might a LinkedList exhibit O(n) complexity for certain operations?
What is the key advice given regarding dealing with linked list problems?
What is the key advice given regarding dealing with linked list problems?
What operation do we need to perform to add a node to the back of a linked list?
What operation do we need to perform to add a node to the back of a linked list?
In removing a node from the front of a linked list, what is an additional step required if not using a garbage-collected language like Java?
In removing a node from the front of a linked list, what is an additional step required if not using a garbage-collected language like Java?
What does setting 'tail->next = new_node' achieve in a linked list?
What does setting 'tail->next = new_node' achieve in a linked list?
When removing a node from the back of a linked list, what is the expected time complexity if no tail pointer is available?
When removing a node from the back of a linked list, what is the expected time complexity if no tail pointer is available?
What is the main advantage of having a tail pointer in a linked list when adding nodes?
What is the main advantage of having a tail pointer in a linked list when adding nodes?
In a linked list, what does 'tail->next = NULL' signify?
In a linked list, what does 'tail->next = NULL' signify?
What is required when deleting a node from a linked list that was allocated dynamically?
What is required when deleting a node from a linked list that was allocated dynamically?
'temp' pointers are often used when:
'temp' pointers are often used when:
In which case do we need to update both 'tail' and 'head' pointers when adding nodes?
In which case do we need to update both 'tail' and 'head' pointers when adding nodes?
What is a potential disadvantage of using 'tail' pointers in linked lists?
What is a potential disadvantage of using 'tail' pointers in linked lists?
