Introduction - If you have any usage issues, please Google them yourself
Some mathematical problems algorithm template, do a little under Categories 1 and mode of linear equations Euclid Euclid 1 1 1-mode extended Euclidean Euler linear equation 22 extended Euler function φ function 4 6 3 linear time to generate prime number sieve 6 factorization of the Euler function table 74 7 5 Nim game and sg function Hefei Problem B 8 14