3
http://dict.bing.com.cn/#%E5%B0%8F%E6%95%B0%E7%82%B9
http://www.mariowiki.com/Mushroom
https://mail.google.com/mail/?shva=1#inbox

Case #1: dict.bing.com.cn
Case #2: www.mariowiki.com
Case #3: mail.google.com

#include<iostream>
#include<string>
using namespace std;
int main()
{
    int T,start,end1,end2,i,count=1;
    string str;
    cin>>T;
    while(T--)
    {
       cin>>str;
       start=str.find("://");
       end1=str.find('/',start+3);
       end2=str.find(':',start+3);
       printf("Case #%d: ",count++);
       if(end2!=-1 && end1!=-1)
       {
           if(end1<end2)
       {  for(i=start+3;i<end1;i++)
           cout<<str[i];
        cout<<endl;
       }
      if(end1>end2)
       {
           for(i=start+3;i<end2;i++)
           cout<<str[i];
       cout<<endl;
       }  
       }
       if(end1==-1)
       { for(i=start+3;i<end2;i++)
           cout<<str[i];
       cout<<endl;}
       if(end2==-1)
       {
             for(i=start+3;i<end1;i++)
           cout<<str[i];
       cout<<endl;
       }
    }
    return 0;
}