undone

数据结构

https://www.luogu.com.cn/blog/HOJQVFNA/qian-xi-treap-ping-heng-shu Treap

https://tiger0132.blog.luogu.org/slay-notes Splay

https://www.luogu.com.cn/blog/yestoday/mao-shu 猫树

https://www.luogu.com.cn/blog/codesonic/Mosalgorithm Mo

https://www.luogu.org/blog/your-alpha1022/WeightSegmentTree-ChairmanTree Tree

https://www.luogu.com.cn/blog/maioxiaopi/qian-tan-bing-zha-ji 并查集↓

https://www.luogu.com.cn/problem/P2661 https://www.luogu.com.cn/problem/P2921

图论

https://www.luogu.com.cn/blog/80049/kuai-su-ru-shou-ta-pu-pai-xu topo

https://www.luogu.com.cn/blog/zty-qwq/qian-tan-dijkstra 最短路dij

https://www.luogu.org/blog/61966/dijkstra dij

https://www.luogu.com.cn/blog/chengni5673/tu-lun-di-xiao-ji-qiao-yi-ji-kuo-zhan .

https://www.luogu.org/blog/ONE-PIECE/wang-lao-liu-di-zong-jie wangluoliu

https://www.luogu.com.cn/problem/P2661 Tarjan

数论

https://www.luogu.com.cn/blog/command-block/fft-xue-xi-bi-ji FFT

。。。。。
https://m-sea.blog.luogu.org/qian-tan-SA SA
https://www.luogu.com.cn/blog/ryoku/graphviz paint