聪明的歌手4729

UID: 55192, Registered at 2026-9-9 21:42:00, last login at 2026-9-9 21:42:00, last active at 2026-9-13 11:12:26.

Solved 5 problems, RP: 20.4 (No. 14865)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P2607

P4520
P4552

P4625
P5190
Recent Activities

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

动态规划: 3
字符串: 1
其他: 1
数学: 1