g++ -std=c++0x GetAllDescendantsOfNode.cpp
>>> Get all descendant nodes of node: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >>> Get all descendant nodes of node: 1 3 4 5 7 8 9 10 11 >>> Get all descendant nodes of node: 2 6 12 13 14 15 >>> Get all descendant nodes of node: 3 7 8 >>> Get all descendant nodes of node: 4 9 10 11 >>> Get all descendant nodes of node: 5 >>> Get all descendant nodes of node: 6 12 13 14 15