yangzijian_lq
UID: 475, Registered at 2025-10-14 17:38:13, last login at 2025-11-4 17:36:38, last active at 2025-10-26 20:38:15.
Solved 6 problems, RP: 26.21 (No. 241)
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This person is lazy and didn't write any solutions.