I want to create a method that will calculate sum of value in nodes of binary tree.
Can anyone give me a hint? I really don't know how to start.
I want to create a method that will calculate sum of value in nodes of binary tree.
Can anyone give me a hint? I really don't know how to start.
All problems in computer science can be solved by another level of indirection,
except for the problem of too many layers of indirection.
– David J. Wheeler