质心

UID: 26556, Registered at 2025-11-27 14:09:18, last login at 2025-11-30 14:15:27, currently offline.

Solved 2 problems, RP: 7 (No. 10103)

♂

Bio

This person is lazy and didn't write anything.
Accepted Problems
P4202
P4203
Recent Activities

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

字符串: 1
动态规划: 1