• 个人简介

    该用户太懒,这里啥也没写 (´・ω・`)
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  • 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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线段树
2
递归
1
块状链表
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块状数组
1
分块
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SCOI
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早于 2010
1