Todo List

File avltree.cpp

update code to use C++ STL library features and OO structure

File binary_search_tree.cpp

update code to use C++ STL library features and OO structure

File list_array.cpp

Add documentation

Member k

@stepfencurryxiao add documetnation

Member a

@stepfencurryxiao add documetnation

File paranthesis_matching.cpp

implement as a C++ class

Member test3 ()

This test fails

File hash_search.cpp

fix the program for memory leaks and better structure in C++ and not C fashion

Member create_list (int key)

fix memory leak

Member comp (X x, std::vector< int > *s1, std::vector< int > *s2, std::vector< int > *s3)

add documentation

Member get_input ()

@christianbender Get input from STDIO or write input to memory as done above.