黄油饼干

UID: 47206, Registered at 2026-7-22 18:16:16, last login at 2026-9-14 20:30:16, last active at 2026-9-14 20:40:41.

Solved 3 problems, RP: 25.4 (No. 13741)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P4456
P5378
P5379
Recent Activities

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

模拟: 1
动态规划: 1
其他: 1
数学: 1