XianRui's Blog - Dispel the gloom and restore clear skies once more!

Template of FHQ-Treap

2026-05-19

FHQ-Treap

/

Balanced Tree

non-rotate Treap

739 words

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4 minutes

Template of Splay Tree

2026-05-09

Splay

/

Balanced Tree

Security Template

627 words

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3 minutes

Introduction of Splay

2026-05-08

Structure

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Balance Tree

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Splay

Rotate last accessed node to root to maintain amortized efficiency.

1568 words

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8 minutes

Solution Report of String(Middle) Topic

2026-04-29

String

Hard.

1727 words

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9 minutes

Template of Aho-Corasick AutoMaton

2026-04-06

String

meaningful

241 words

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1 minute

Solution Report of String(Easy) Topic

2026-03-26

String

Easy

1206 words

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6 minutes

Memo of Trigonometric Formula

2026-03-22

Trigonometric

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Math

Useful

159 words

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1 minute

Mobius Inversion

2026-02-09

Math

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Mobius Inversion

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Dirichlet convolution

Basic number theory knowledge

858 words

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4 minutes

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