无畏的少年

UID: 49952, Registered at 2026-8-15 10:05:42, last login at 2026-8-22 11:10:48, last active at just now.

Solved 2 problems, RP: 6 (No. 19051)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P3479
P3480
Recent Activities

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

数据结构: 1
dfs: 1