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Puzzled: Solutions and Sources

By Peter Winkler

Communications of the ACM, Vol. 56 No. 6, Page 117
10.1145/2461256.2461280

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Last month (May 2013) we posed a trio of brainteasers concerning Ant Alice and her ant friends who always march at 1 cm/sec in whatever direction they are facing, reversing direction when they collide.

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