huangjiekai (黄杰楷)
UID: 783, Registered at 2024-9-23 23:17:15, last login at 2024-11-27 17:54:55, currently offline.
Solved 1 problems, RP: 5 (No. 408)
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Bio
我是年段大学霸黄杰楷
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Accepted Problems
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Recent Activities
This person is lazy and didn't join any contest or homework