InterviewBit Problems   Light Switches in the Cellar : Solved


About the Light Switches in the Cellar : Solved category (1)
It doesn't work with led bulbs (1)
Solution describe (1)
Anything goes right? (1)
Bad problem. Assumes all bulbs work the same way. Not completely based on logic of math (1)
Turn 2 switches for 1 minute, then switch off one of them, go upstairs and you have on, off and worm (2)
Show me how you think question? (1)