struct node
{
int data;
struct node *l;
struct node *r;
};
typedef struct node *n;
int oddnos(n root)
{
static int count;
n cur = root;
if(cur!=NULL)
{
if(cur->data%2==1)
count++;
oddnos(root->l);
oddnos(root->r);
}
return count;
}