Size Of Generic Tree
1. You are given a partially written GenericTree class. 2. You are required to complete the body of size function. The function is expected to count the number of nodes in the tree and return it. 3. Input and Output is managed for you.
Input is managed for you
Output is managed for you
12 10 20 -1 30 50 -1 60 -1 -1 40 -1 -1