Introduction - If you have any usage issues, please Google them yourself
Solving shape such as a* x ^ 2+ B* x+ C = 0 (mod p) of the quadratic congruence equation, in which prime numbers p for arbitrary, a, b, c for arbitrary integer.
Packet : 99273892ercitongyufangchengdeqiujie.rar filelist
basic.hpp
ercitongyu.hpp