18
Noriyuki Futatsugi
http://handasse.blogspot.com/
Last seen 1 year ago
Member for 10 years, 2 months, 23 days
Difficulty Normal
n=10^10^4;p=a 5 n*4-a 239 n;a m n=t m(n`div`m)(n`div`m)n 1 3;t _ a _ 0 _ _=a;t m a b c s k=t m(a-y*s)x y(-s)(k+2)where x=b`div`m^2;y=x`div`k