Nebula

UID: 42156, Registered at 2026-5-28 13:51:55, last login at 2026-5-28 13:51:55, last active at 2026-5-28 22:29:40.

Solved 4 problems, RP: 0 (No. ?)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P4984
P4985
Recent Activities

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

模拟: 1
图结构: 1
拓扑排序: 1