info@avatto.com
+91-9920808017
0. Consider the following nested representation of binary trees indicates y and z are the left right subtrees, respectively, of node x. Note that y and z may be NULL or further nested. Which of the following represents a valid binary tree ?
(1 2(4 5 6 7))
1((2 3 NULL)4 5 6)7)
(1(234)(567)
(1(2 3 NULL)(4 5))
You must be logged in to post a comment.
Login with Facebook
Login with Google
Forgot your password?
Lost your password? Please enter your email address. You will receive mail with link to set new password.
Back to login
You must be logged in to post a comment.