Friends in neighboring houses agreed to send messages to each other in the form of light signals.

Friends in neighboring houses agreed to send messages to each other in the form of light signals. How many bulbs would they need to encode 10 different words?

In this case, the “alphabet” consists of 2 characters (on / off light). You need to encode 10 words. We are looking for the closest (not strictly greater than this value) power of two to 10: this is 16.



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