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Sweetlemon

2019-11-05 17:28:25

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## 数学 ### 组合计数 #### [容斥原理](https://www.luogu.org/blog/KingSann/chu-tan-rong-chi-yuan-li),此外还有 1102 笔记 ## 语言大师 #### [指令集](https://www.luogu.org/blog/ouuan/avx-optimize) ## $\mathrm{OI}$ together with $\mathrm{ACGN}$ #### [著名的一场 CF](https://codeforces.com/contest/896/)