Sample Input
5
10 20 30 40 50
4
15 25 40 50
Sample Output
40
my code:
int aa=len(head1),bb=len(head2);
node*a=head1,*b=head2;
int c1=0,c2=0;
while(c1<aa+1)
{
while(c2<bb+1)
{
if(a->data==b->data)
cout<data;
b=b->next;
c2++;
}
a=a->next;
c1++;
}