更新历史 - 三角剖分

feat(geometry/triangulation.md) 添加一道例题 (#3832)

chore: upgrade remark-clang-format (#3806)

fix: replace "Reference" (#3523)

ci(pdf):fix pdf typo (#3073)

apply bot

更改题目网址

style: format markdown files with remark-lint

Fix: Change dead CodeVS links to JoyOI

style: format markdown files with remark-lint

add triangulation

style: update style with remark-lint

feat: add structures

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