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int len(Node *head){
    Node*temp = head;
    int count = 0;
    while (temp!=NULL){
        count++;
        temp = temp->next;
    }
    return count;
}
Node *intersectionOfTwoLinkedLists(Node *l1, Node *l2)
{
/Code here/
int len1 = len(l1);
int len2 = len(l2);
Node *fast;
Node *slow;
int d;
if(len1>len2){
d = len1-len2;
fast = l1;
slow = l2;
for(int i=0;i<d;i++){
fast = fast->next;
}
}
else{
d = len2-len1;
fast = l2;
slow = l1;
for(int i=0;i<d;i++){
fast = fast->next;
}
}
 
while (slow != NULL && fast != NULL)
{
if (slow != fast)
{
slow = slow->next;
fast = fast->next;
continue;
}
return slow;
}
return NULL;
}

prog.cpp:1:9: error: ‘Node’ was not declared in this scope
 int len(Node *head){
         ^~~~
prog.cpp:1:15: error: ‘head’ was not declared in this scope
 int len(Node *head){
               ^~~~
prog.cpp:10:1: error: ‘Node’ does not name a type
 Node *intersectionOfTwoLinkedLists(Node *l1, Node *l2)
 ^~~~

Standard output is empty