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2022-2023:teams:kunkunkun:2022-nowcoder-2 [CVBB ACM Team]

2022-2023:teams:kunkunkun:2022-nowcoder-2

这是本文档旧的修订版！

目录

2022 牛客暑期多校训练营2
- I-let fat tension
- J-Link with Arithmetic Progression

2022 牛客暑期多校训练营2

I-let fat tension

移项预处理矩阵即可
时间复杂度 $O(nkd)$

J-Link with Arithmetic Progression

最小二乘法 $$ \hat{a}=\dfrac{\sum_{i-1}^n(x-\bar x)(y-\bar y)}{\sum_{i=1}^n(x-\bar x)^2}\\ \hat b = \bar y - \hat a\bar x $$ 时间复杂度 $O(n)$

2022-2023/teams/kunkunkun/2022-nowcoder-2.1659266182.txt.gz · 最后更改: 2022/07/31 19:16 由 sd_ltt