请输入星期几的第一个字母来判断一下是星期几，如果第一个字母一样，则继续

#include <iostream.h>void main(){char c,d;cout<<"please input first zimu:";wode:cin>>c;int i=c;switch(c){case 'm':cout<<"Monday"<<endl;break;case 'w':cout<<"Wednesday"<<endl;break;case 'f':cout<<"Friday"<<endl;break;case 't':cin>>d;if(d=='u')cout<<"Tuesday"<<endl;elsecout<<"Thursday"<<endl;break;case 's':cin>>d;if(d=='a')cout<<"Saturday"<<endl;elsecout<<"Sunday"<<endl;break;default: cout<<"Error input!";goto wode;}}