detecting end of input with cin

Question

I want to read a line of integers from the user. I\'m not sure how to check to see if the input has ended. For example I want to be able to do something like

Answer 1

The idea is silimar with this code below so you can try :

int tmp;
while(cin >> tmp != NULL){ // C++ or while(scanf("%d", &tmp) != -1) {} for C
     // do something
}