沉稳的红叶

UID: 51252, Registered at 2026-8-24 14:03:59, last login at 2026-8-24 14:03:59, last active at 2026-8-24 20:55:05.

Solved 3 problems, RP: 0 (No. ?)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P4914
P4957
P5291
Recent Activities

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

模拟: 2
贪心算法: 1