快乐的歌手

UID: 52785, Registered at 2026-9-1 10:07:57, last login at 2026-9-1 10:07:57, last active at 2026-9-4 15:04:39.

Solved 8 problems, RP: 45 (No. 10308)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P4011

P4031
P4090

P4091
P4092

P4093
P4094

P4097
Recent Activities

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

动态规划: 6