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UID: 31255, Registered at 2026-3-23 10:26:59, last login at 2026-4-3 23:05:08, last active at 2026-4-4 5:42:43.

Solved 3 problems, RP: 14.6 (No. 9506)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P3787
P4492
P4495
Recent Activities

This person is lazy and didn't join any contests or homework.

入门教程: 2
双指针: 1