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20 lines
1.0 KiB
20 lines
1.0 KiB
9 years ago
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regex = /(\w+) can fly (\d+) km\/s for (\d+) seconds, but then must rest for (\d+) seconds/
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puts DATA.read.scan(regex).map { |name, speed, time, rest|
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distance = speed.to_i * time.to_i
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total_time = time.to_i + rest.to_i
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reps = 2503 / total_time
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total_distance = reps * distance + [2503 % total_time, time.to_i].min * speed.to_i
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[name, total_distance]
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}.max {|a,b| a.last <=> b.last }
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__END__
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Dancer can fly 27 km/s for 5 seconds, but then must rest for 132 seconds.
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Cupid can fly 22 km/s for 2 seconds, but then must rest for 41 seconds.
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Rudolph can fly 11 km/s for 5 seconds, but then must rest for 48 seconds.
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Donner can fly 28 km/s for 5 seconds, but then must rest for 134 seconds.
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Dasher can fly 4 km/s for 16 seconds, but then must rest for 55 seconds.
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Blitzen can fly 14 km/s for 3 seconds, but then must rest for 38 seconds.
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Prancer can fly 3 km/s for 21 seconds, but then must rest for 40 seconds.
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Comet can fly 18 km/s for 6 seconds, but then must rest for 103 seconds.
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Vixen can fly 18 km/s for 5 seconds, but then must rest for 84 seconds.
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