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LengthLL(Rec)
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LengthLL(Rec)
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#include <iostream>
class Node{
public:
int data;
Node *next;
Node(int data){
this -> data = data;
this -> next = NULL;
}
};
using namespace std;
Node* takeinput() {
int data;
cin >> data;
Node* head = NULL, *tail = NULL;
while(data != -1){
Node *newNode = new Node(data);
if(head == NULL) {
head = newNode;
tail = newNode;
}
else{
tail -> next = newNode;
tail = newNode;
}
cin >> data;
}
return head;
}
void print(Node *head) {
Node *temp = head;
while(temp != NULL) {
cout << temp -> data << " ";
temp = temp -> next;
}
cout<<endl;
}
int length(Node *head) {
Node* temp = head;
if(temp==NULL){
return 0;
}
int i = 1 + length(temp->next);
return i;
}
int main() {
Node *head = takeinput();
int pos;
cin >> pos;
cout << length(head);
return 0;
}