Kelvin_x
UID: 194, Registered at 2025-2-27 20:46:44, last login at 2026-3-21 16:01:25, currently offline.
Solved 18 problems
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- 数学
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- 数论
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UID: 194, Registered at 2025-2-27 20:46:44, last login at 2026-3-21 16:01:25, currently offline.
Solved 18 problems
Followed by 1 users