I think as long as you know C and know how a computer works (ie: stack, heap, registers) you could at least get to level 10'ish w/o too much trouble. Granted i

I think as long as you know C and know how a computer works (ie: stack, heap, registers) you could at least get to level 10'ish w/o too much trouble. Granted if your only programming experience is languages like Java/Ruby/Javascript/Python that hide a lot of the details of how the computer really works it might be more challanging.