3 ms·But you do know that it's undefined or implementation defined. It's a "known unknown".by ben509 7y agoBut you do know that it's undefined or implementation defined. It's a "known unknown".H8crilA 7y agoLook, do you know what will it return or not?saagarjha 7y agoNot without knowing the compiler, which I think was the point.Thorrez 7y agoYes, so you knowingly click "I don't know". You don't know the value, and you know that you don't know the value.