Size Of Generic Tree
medium
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.
Constraints
None
Format
Input
Input is managed for you
Output
Output is managed for you
Example
Sample Input
12
10 20 -1 30 50 -1 60 -1 -1 40 -1 -1
Sample Output
6
Question Video