课程介绍
OI 2020 Singapore The 32nd International Olympiad in Informatics (IOI 2020): Opening Ceremony Sunday, 13 September 2020 9:15pm SGT (GMT+8) For more information. visit: https://ioi2020.sg/ Organised by: National University of Singapore (NUS) School
课程来源bilibili，本课程收集来源于网络，仅供学习参考，侵删
