站在用户的角度详细分析系统核心需求，对系统的功能设计和数据库设计更加完

站在用户的角度详细分析系统核心需求，对系统的功能设计和数据库设计更加完善。用户端通过注册登陆，按照个人需求选择程序语言和初、中、高三级任意一级，可以领取新人任务，题库分为固定题库和时段题库，查看答题记录和试题解析。

From the perspective of users, analyze the core requirements of the system in detail, and improve the functional design and database design of the system. By registering and logging in, the user can select the program language and any one of the junior, middle and senior levels according to personal needs, and can receive the new task. The question bank is divided into fixed question bank and time period question bank to view the answer record and test question analysis.

From the user's point of view, the core requirements of the system are analyzed in detail, and the functional design and database design of the system are more perfect. By registering and logging in, the user can choose the programming language and any level of junior, middle and senior levels according to individual needs, and can receive the new assignment. The question bank is divided into a fixed question bank and a time slot question bank, and the answer records and analysis of the questions can be viewed.