https://www.bilibili.com/video/BV1Tm4y1Z7iH?p=36&spm_id_from=pageDriver
https://www.bilibili.com/video/BV1kp4y1x7Ad/?spm_id_from=autoNext&vd_source=35e80208b79af2f0bc94789f13286e04
https://github.com/spring2go/cs_study_plan
https://github.com/izackwu/TeachYourselfCS-CN/blob/master/TeachYourselfCS-CN.md
https://github.com/ossu/computer-science