Programming Interview Questions

You have a stream of numbers that you can see one at a time. With uniform probability, select only one of these numbers. That is, each number in the stream has the same probability of being selected. You cannot just store the entire stream to an array or read through the stream twice.

>>23
What are you talking about? That's what the fork is for. Since there is no such thing as computer with an infinite amount of memory, the program halts when it runs out of its finite memory and swap space and crashes.

That's how I break out of the infinite loop!