> #include <sstream>
> using namespace std;
> main()
> {
>      .......
>      int L = 0;
>      stringstream cc;
>      for(i=0;i<n;i++)
>      {
> 	gets(p);
> 	cc<<p;
> 	while( cc>>k )
> 		E[k]++,E[i]++,L++;
> 	cc.clear();
>      }
>      ......
> }