高精度长整数运算库 长整数除法 与 取模运算 效率 与 乘法相当

#include"bignum.h" void main(){ char s[]="123456789"; char c[]="999999999999999999999999999999999999999999999999999999"; bignum B(s),C(c); cout<<"B : "<<B<<endl<<"C : "<<C<<endl; cout<<"C*=B: "<<(C*=B)<<endl; cout<<"C++ : "<<(C+=bignum("1"))<<endl; cout<<"C-2 : "<<(C-=bignum("2"))<<endl; cout<<"C%=B: "<<(C%=B)<<endl; cin.get(); }