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No upcoming contest.

Latest News [more...]


正在迁移到新服务器. 即将迁移数据库, 迁移数据库时服务将中断. BNUOJ将由更高性能的硬件支撑, 提供更稳定的服务.   [...]

SSL enabled

With the help of Let's encrypt, we enabled ssl for the full site~ [...]

Now we have UESTC back~

We've mapped problems on UESTC to their new OJ~ Enjoy~ [...]

CodeForces Gym added

We have added problems from codeforces gym, if you encounter any problem, feel free to contact us. Enjoy~ [...]