勇敢的鲸鱼

UID: 51921, Registered at 2026-8-27 17:33:49, last login at 2026-8-27 17:35:10, last active at 2026-9-4 16:30:56.

Solved 2 problems, RP: 22 (No. 13831)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P4091
P5197
Recent Activities

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

动态规划: 1
选择题: 1