If you're interviewing with 10 companies, that would mean a solid month of work. I'd much rather spend 15-30 minutes on the whiteboard per company. But the whi

If you're interviewing with 10 companies, that would mean a solid month of work. I'd much rather spend 15-30 minutes on the whiteboard per company. But the whiteboard test should only be a smoke test for can/can-not program (ie. test for impostors and frauds), not an assessment of aptitude or in-depth knowledge about algorithms. 10-15 lines of code or so, "Guess the number", "FizzBuzz", "Count zero bits in 32 bit int", etc.