• 个人简介

    My Luogu muausees

    i=0+solve problems\sum_{i=0}^{+\infin} solve\ problems
  • 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.
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题目标签

2009
1
线段树
1
各省省选
1
树状数组
1
山东
1
O2优化
1
主席树
1
前缀和
1