2020-2021:teams:famerwzyyuki:线性基 [CVBB ACM Team]

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2020-2021:teams:famerwzyyuki:线性基 [CVBB ACM Team]

2020-2021:teams:famerwzyyuki:线性基

到此差别页面的链接

--- 2020-2021:teams:famerwzyyuki:线性基 [2020/05/29 21:06]
yuki
+++ 2020-2021:teams:famerwzyyuki:线性基 [2020/05/29 21:09] (当前版本)
yuki
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-==== 「BZOJ 3811」玛里苟斯 ====
-**题意：**$S$是一个可重集合，$S={a_1,a_2,...,a_n}$。等概率随机取$S$的一个子集A={a_{i_1},a_{i_2},...,a_{i_m}}，计算出$A$中所有元素的异或值$x$，求$x^k (1 \leqslant k \leqslant 5)$的期望，保证答案不超过$2^{64}$。

2020-2021/teams/famerwzyyuki/线性基.1590757590.txt.gz · 最后更改: 2020/05/29 21:06 由 yuki