gongxi

UID: 1760, 注册于 2021-9-20 23:02:10, 最后登录于 2023-11-19 18:08:46, 目前离线.

解决了 1 道题目，RP: 4 (No. 5531)

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通过的题目
HDR003B
最近活动
- MCOI Round 6 Div. 2 (Hydro Deuterium Round #003) IOI
最近编写的题解

This person is lazy and didn't write any solutions.
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