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Data Structure · Q369

Miscellaneous on Data Structures

Programming · Data Structure · question 369

Q369

What is the time complexity of the following implementation of linear search on a linked list? #include #include struct Node int val; struct Node* next; *head; int linear_search(int value) struct Node *temp = head->next; while(temp != 0) if(temp->val == value) return 1; temp = temp->next; return 0; int main() int arr[5] = 1,2,3,4,5; int n = 5,i; head = (struct Node*)malloc(sizeof(struct Node)); head->next = 0; struct Node *temp; temp = head; for(i=0; i next = 0; newNode->val = arr[i]; temp->next = newNode; temp = temp->next; int ans = linear_search(-1); if(ans == 1) printf("Found"); else printf("Not found"); return 0;

A.
O(1)
B.
O(n)
Answer
C.
O(n2)
D.
O(n3)

Answer: Option B

Solution

Answer: Option B
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