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14 字
1 分钟
数学
2017-07-10

组合数#

C(n,k)=n!(nk)!k!C(n,k)=\frac {n!} {(n-k)!k!}
0!=10!=1

xpmodp=xmodpx^{p} mod p=x mod p
xp2xx^{p-2} * x % p=1;

数学
https://www.nekomio.com/posts/32/
作者
NekoMio
发布于
2017-07-10
许可协议
CC BY-NC-SA 4.0