yanghaochen

UID: 14, Registered at 2025-7-9 13:53:38, last login at 2025-9-26 21:43:31, currently offline.

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

♂

Bio

天空属于哈夫克地面属于尼罗鳄
Accepted Problems
T20111
X2401
Recent Activities

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

This person is lazy and didn't write any solutions.

基础: 1
信息素养: 1