3 ms·
Wait. This device can be fooled easily: At any point in time, I can look at the LED. If it's off, I press the button exactly 1 second later. If it's on, I do no
by vagab0nd 8y ago
Wait. This device can be fooled easily: At any point in time, I can look at the LED. If it's off, I press the button exactly 1 second later. If it's on, I do nothing.
What am I missing?
- vfinn 8y agoYou're simply missing the fact that by definition there won't be any case where you see the LED being turned off 1 second before you push the button. If you see the LED being turned off, you won't be pushing it the second later.