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7-Segment LED

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1 7-Segment LED on Wed Apr 07, 2010 4:48 am


Given that each segment in a 7-segment LED display corresponds to a matchstick. If N matchsticks are provided, what is the maximum number that can be displayed in the form of 7-segment LEDs ?

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2 Re: 7-Segment LED on Wed May 12, 2010 5:58 pm

N is odd -> 7 followed by (N-1)/2 1's
N is even -> N/2 1's

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