Newsgroups: rec.puzzles From: hoey@aic.nrl.navy.mil (Dan Hoey) Date: 1996/01/20 Subject: Re: a puzzle I got for christmas r...@tiac.net (robert a. moeser) writes: > my new challenge is to order the buttons pressed while performing > a minimum solution such that the most number of lights is on at > every step, that is, that the number of lights at each step added > together is a maximum. You might also consider the problem of minimizing the sum of the lights without requiring a minimum-length solution. It would be interesting to see if there is a way of using extra presses to cut down on the total electric bill. Could there be a case where the extra presses include pushing the same button twice? Dan Hoey@AIC.NRL.Navy.Mil