zju 2478

-#include <iostream>
using namespace std;
int main(int argc, char *argv[])
{
 int n,i,sum;
 string s;
 cin>>n;
 while(n--)
 {
  cin>>s;
  for(i=0,sum=1;s[i];i++)
  {
   if(s[i]==s[i+1]) sum++;
   else
   {
    if(sum==1)
     cout<<s[i];
    else
     cout<<sum<<s[i];
    sum=1;
   }
  }
  cout<<endl;
 }
 return 0;
}

-#include <iostream>
using namespace std;
int main(int argc, char *argv[])
{
 int n,i,sum;
 string s;
 cin>>n;
 while(n--)
 {
  cin>>s;
  for(i=0,sum=1;s[i];i++)
  {
   if(s[i]==s[i+1]) sum++;
   else
   {
    if(sum==1)
     cout<<s[i];
    else
     cout<<sum<<s[i];
    sum=1;
   }
  }
  cout<<endl;
 }
 return 0;
}

#include<iostream>
using namespace std;
#include<cstring>
#include<cstdio>
int main()
{
    int n,i,j,sum;
    char a[105];
    cin>>n;
    getchar();
    for(i=0;i<n;i++)
    {    cin>>a;
        sum=1;
        for(j=1;j<strlen(a);)
        {    while(a[j]==a[j-1]&&a[j]) {sum++;j++;}
            if(a[j]!=a[j-1])
            {    if(sum==1) cout<<a[j-1];
                else 
                {    cout<<sum<<a[j-1];}
                sum=1;    
            }
            if(a[j]) 
            {    if(a[j+1]==0) cout<<a[j];
                j++;
            }
        }
        cout<<endl;
    }
    return 0;
}

#include<iostream>

using namespace std;

#include<cstring>

#include<cstdio>

int main()

{

int n,i,j,sum;

char a[105];

cin>>n;

getchar();

for(i=0;i<n;i++)

{ cin>>a;

sum=1;

for(j=1;j<strlen(a);)

{ while(a[j]==a[j-1]&&a[j]) {sum++;j++;}

if(a[j]!=a[j-1])

{ if(sum==1) cout<<a[j-1];

else 

{ cout<<sum<<a[j-1];}

sum=1;

}

if(a[j]) 

{ if(a[j+1]==0) cout<<a[j];

j++;

}

}

cout<<endl;

}

return 0;

}