Introduction - If you have any usage issues, please Google them yourself
The program simulates know almost as online quiz system, users can register, login, questions, answers, thumbs up, focus on, take off, find the problem, and a series of operations, a server can be connected to multiple clients simultaneously, it is possible to synchronize each client operating results. Program is divided into client and server side, the user using mfc gui written communication for the socket, the development environment for win7 vs2015, compiler v140.