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(Solved): Ncorrect Question 25 #include Using Namespace Std; Struct ListNode { String Data; ListNode *next; In...
ncorrect Question 25 #include <iostream> using namespace std; struct ListNode { string data; ListNode *next; int main() { ListNode *ptr, *list; list = new ListNode; list->data = "Boston"; ptr = new ListNode; ptr->data - "New York"; ptr->next = nullptry list->next = new ListNode; list->next->data = "Houston"; list->next->next = ptr; // new code goes here Which of the following code correctly deletes the node with value "Boston" from the it list->next = list: delete list: list = list->next; delete ptr: por list: list = list->next delete pt None of these ptr = list->next; list->next - ptr: delete ptr:
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Solution: Last option will suffer from the dangling pointer problem as the list-> next contains the value present in ptr and in the last line this ptr is dele
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