Driver code
int main ( ) { Node * root = NULL ; root = insert ( root , 15 ) ; root = insert ( root , 10 ) ; root = insert ( root , 20 ) ; root = insert ( root , 8 ) ; root = insert ( root , 12 ) ; root = insert ( root , 16 ) ; root = insert ( root , 25 ) ; root = insert ( root , 10 ) ; int sum = 33 ; findPair ( root , sum ) ; return 0 ; }