cs61b 2019/8/26 所有的lab和proj和hw都后来重新记录了code的大致思路，点进每个项目都有对应的说明 如有错误，请同学指正、感激不尽 All the lab and proj was re-added the README.md to record the process of solving problem. Click into each prj/lab/hw there should be some explanations about them. If you find any mistake, just point it out. I appreciate it very much!