Constructed binary tree is 4 / \ 2 7 / \ / \ 1 3 6 10
node * root = newNode ( 4 ) ; root -> left = newNode ( 2 ) ; root -> right = newNode ( 7 ) ; root -> left -> left = newNode ( 1 ) ; root -> left -> right = newNode ( 3 ) ; root -> right -> left = newNode ( 6 ) ; root -> right -> right = newNode ( 10 ) ; RangeTraversal ( root , 4 , 12 ) ; return 0 ; }