数论模板目录 gcd:http://www.cnblogs.com/geloutingyu/p/6209026.html exgcd:http://www.cnblogs.com/geloutingyu/p/5934974.html 乘法逆元:http://www.cnblogs.com/geloutingyu/p/6212487.html 除法取模:http://www.cnblogs.com/geloutingyu/p/6287216.html 快速幂:http://www.cnblogs.com/geloutingyu/p/5889950.html 中国剩余定理:http://www.cnblogs.com/geloutingyu/p/6210204.html