enum枚舉類型的輸出方式

#include
enum e{a,b,c};
using namespace std;
const int Monday=0;
const int Tuesday=1;
const int Friday=2;
int main(){
e e1;
e1=e(Monday);
int length=sizeof(e);
int IntLength=sizeof(int);
cout<<length<<"   "<<IntLength<<endl;
cout<<e1<<endl;
switch (e1){
case 0:cout<<"Monday"<<endl;break;
case 1:cout<<"Tuesday"<<endl;break;
case 2:cout<<"Friday"<<endl;
}
return 0;
}