initialize the structure for Data Compression
initialize the structure for Data Compression

batermj/algorithm-challenger,batermj/algorithm-challenger,batermj/algorithm-challenger,batermj/algorithm-challenger,batermj/algorithm-challenger,batermj/algorithm-challenger,batermj/algorithm-challenger,batermj/algorithm-challenger,batermj/algorithm-challenger,batermj/algorithm-challenger,batermj/algorithm-challenger,batermj/algorithm-challenger,batermj/algorithm-challenger,batermj/algorithm-challenger