Tina Town is a friendly place. People there care about each other. Tina has a ball called zball. Zball is magic. It grows larger every day. On the first day, it becomes 11 time as large as its original size. On the second day,it will become 22 times
Lucas 定理(证明) A.B是非负整数,p是质数.AB写成p进制:A=a[n]a[n-1]...a[0],B=b[n]b[n-1]...b[0]. 则组合数C(A,B)与C(a[n],b[n])*C(a[n-1],b[n-1])*...*C(a[0],b[0]) mod p 相同 即:Lucas(n,m,p)=c(n%p,m%p)*Lucas(n/p,m/p,p) 证明: 首先我们注意到 n=(ak...a2,a1,a0)p = (ak...a2,a1)p * p + a0 = [n
by Nan 对于真心渴望迅速上手LaTeX的人,前言部分可以跳过不看. 本教程面向对LaTeX完全无认知无基础的新人.旨在让新人能够用最简单快捷的方式,轻松入门,能够迅速使用LaTeX完成基本的文本编辑.这个教材最终能够达到的水平是能够使用LaTeX写一篇正常的proposal.如果希望有更大需求的提高,那么推荐在熟悉了这一篇文章的内容之后,再自行google或查阅其他稍厚的教材.尤其旨在破除部分新人对LaTeX在传闻中难以学习的恐惧感.在入门之后,面对各种进阶应用.特殊要求与异常状况,可以自