把数字转化为星期--多重选择

//   用C++中的多重选择结构，当输入0-6这七个数中的任意一个时，都转化为相应的星期数；




#include<iostream>
using namespace std;
int main()
{
int day;
cout<<"please input an number."<<endl;
cin>>day;
switch(day)
{
case 0:
cout<<"Sunday"<<endl;
break;
case 1:
cout<<"Monday"<<endl;
break;
case 2:
cout<<"Tuesday"<<endl;
break;
case 3:
cout<<"Wednesday"<<endl;
break;
case 4:
cout<<"Thursday"<<endl;
break;
case 5:
cout<<"Friday"<<endl;
break;
case 6:
cout<<"Saturday"<<endl;
break;
default:
cout<<"Day out of Sunday to Saturday ."<<endl;
}
return 0;
}