alarm. 恶魔闹钟，打开闹钟后，必须答对题目才能关闭闹钟，其它无效，里面有一些代码参照别人，整合的，demo，纯属学习，不得用于商业利益，谢谢

Problem

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Audience

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Market

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Pricing

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.