Lights Out
In the following diagrams, white circles indicate bulbs that are turned on, while black circles indicated bulbs that are turned off.
When clicked, a bulb and its adjacent bulbs will change their state: If it was off, it will be turned on, if it was on, it will be turned off. For example, in the following diagram, when A is clicked, A will turn off and B will turn on.
In the following diagram, what is the minimum number of clicks required to switch off all the bulbs?
If you liked this problem, check these out!
This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try
refreshing the page, (b) enabling javascript if it is disabled on your browser and,
finally, (c)
loading the
non-javascript version of this page
. We're sorry about the hassle.
1 solution
This is a classic Lights Out game. The order of the moves doesn't matter, but here is a possible sequence.
||
