• 个人简介

    哦,现在会反演了。

    洛谷号:Genius_Star

  • 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

    This person is lazy and didn't write any solutions.
  • Stat

  • Rating

题目标签

系统测试
1