Codeforces Round (Div. 3)
在线编程竞赛，比赛时长约 3 小时。开始后不能再报名。
Codeforces
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Codeforces Round (Div. 2)
在线编程竞赛，比赛时长约 2 小时。开始后不能再报名。
Codeforces Round (Div. 1 + Div. 2)
在线编程竞赛，比赛时长约 3 小时。开始后不能再报名。
Alerting: Strange NoData alerts
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A free global 24-hour student datathon using IBM Z and LinuxONE for real-time AI, privacy-preserving AI, open innovation, and AI-for-good prototypes.