沉稳的船长

UID: 53995, Registered at 2026-9-5 14:02:12, last login at 2026-9-13 17:07:46, last active at 2026-9-15 7:00:20.

Solved 2 problems, RP: 6 (No. 21102)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P4003
P4683
Recent Activities

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

排序算法: 1