说明：  no intro
(Software Description: Case 1 Case 2 Snake game Reversi game calculator case III Case IV Case maze problem mine sweeping games five of six cases, 24 cases of the seven-speed count data structure CAI system of eight cases the process of scheduling the case nine geographical distribution of storage management algorithm case Contacts ten cases of 11 cases of student achievement management wages twelve thirteen Management Case Management Case Book Lending 14 teachers workload)