想问下如何快速求出一行组合数的前缀和或者后缀和

学术版

看 ei 的集训队论文
by panyf @ 2021-02-25 14:40:10


好吧,O(∩_∩)O谢谢
by wuhao2005 @ 2021-02-25 14:41:56


@[panyf](/user/221955) 巨佬能不能给个链接,我好像找不到.....
by wuhao2005 @ 2021-02-25 14:44:59


https://www.luogu.com.cn/blog/EntropyIncreaser/post-ying-ye-ri-zhi-2021126-duo-xun-wen-zu-ge-shuo-qian-zhui-hu
by ForgotMe @ 2021-02-25 14:49:10


@[wuhao2005](/user/81274)
by ForgotMe @ 2021-02-25 14:49:18


好的,谢谢
by wuhao2005 @ 2021-02-25 14:52:54


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