淡定的企鹅8969

UID: 58561, Registered at 2026-9-22 23:23:20, last login at 2026-9-23 15:41:20, last active at 2026-9-23 18:03:00.

Solved 3 problems, RP: 13 (No. 18087)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P4011
P4031
P4090
Recent Activities

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

动态规划: 2