Convert Binary tree to Binary Search Tree conversion in place

http://stackoverflow.com/questions/5468015/convert-binary-tree-to-binary-search-tree-inplace-using-c

http://stackoverflow.com/questions/2577098/how-to-convert-a-binary-tree-to-binary-search-tree-in-place-i-e-we-cannot-use

http://www.geeksforgeeks.org/binary-tree-to-binary-search-tree-conversion/