What is the output of the following code? #include<stdio.h> #include<stdlib.h> struct Node { int val; struct Node *next; }*head; int recursive_get_len(struct Node *current_node) { if(current_node == 0) return 0; return 1 + recursive_get_len(current_node->next); } int main() { int arr[10] = {-1,2,3,-3,4,5}, n = 6, i; struct Node *temp, *newNode; head = (struct Node*)malloc(sizeof(struct Node)); head->next = 0; temp = head; for(i=0; i<n; i++) { newNode = (struct Node*)malloc(sizeof(struct Node)); newNode->val = arr[i]; newNode->next = 0; temp->next = newNode; temp = temp->next; } int len = recursive_get_len(head->next); printf("%d",len); return 0; }

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