OJ Board

help me plz...
i use the approach of computing the nodes combination from small to large
in another word,try taking all possible 1 node and test ,then try taking 2 nodes combination,then 3...and more
but it become very slow after 8 nodes combination
i just got lots of TLE in online-judge...
plz tell ...

thanks! AC now

easy problem...
but i want to know what is the provision for terminating the program..??
"The input will be terminated by EOF",i didnt understand what it meant

just write down
while(!EOF){
cin>>xxx;
cout<<xxx;
}


let me got a WA...