• 个人简介

    「致瞬息万变之物,及亘古不变之物。」

  • 通过的题目

  • 最近活动

    This person is lazy and didn't join any contests or homework.
  • 最近编写的题解

题目标签

NOIP
4
T2
2
T3
2
系统测试
1