Consider the following iterative implementation used to find the length of a linked list:
struct Node
{
int val;
struct Node *next;
}*head;
int get_len()
{
struct Node *temp = head->next;
int len = 0;
while(_____)
{
len++;
temp = temp->next;
}
return len;
}
Which of the following conditions should be checked to complete the above code?
struct Node
{
int val;
struct Node *next;
}*head;
int get_len()
{
struct Node *temp = head->next;
int len = 0;
while(_____)
{
len++;
temp = temp->next;
}
return len;
}A. temp->next != 0
B. temp == 0
C. temp != 0
D. temp->next == 0
Answer: Option C
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