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UID: 48894, Registered at 2026-8-6 0:17:49, last login at 2026-9-7 22:14:09, last active at 2026-9-9 17:55:08.

Solved 2 problems, RP: 8.6 (No. 18955)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P14463
P14469
Recent Activities

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

双指针: 1
模拟: 1