1. Binary tree data structure defined chain. 2. Write a function to create the binary tree shown below. 3. Write a function of the first binary output sequence, in order, the order of traversal.

yy4
...\Debug
...\.....\vc60.idb
...\.....\vc60.pdb
...\.....\yy4.exe
...\.....\yy4.ilk
...\.....\yy4.obj
...\.....\yy4.pch
...\.....\yy4.pdb
...\yy4.cpp
...\yy4.dsp
...\yy4.dsw
...\yy4.ncb
...\yy4.opt
...\yy4.plg

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