c++小问题，求助大虾、、、、
#include#includeusing namespace std;int main(){ cout<<"please input a member : \n"; int m; cin>>m; double a=sqrt(a*1.0); for(int i=2 ;i<a;++i) if(m%i==0) { cout<<a<<" is not a prime! \n"; return 123 ;} cout<<a<<" is a prime ! \n";}总是出现这个问题，大虾教教我吖、、、谢谢fatal error C1083: Cannot open include file: 'cmatch': No such file or directory
