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15 lines
263 B
15 lines
263 B
7 years ago
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instructions = ARGF.read.strip.split("\n").map(&:to_i)
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pc = 0
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count = 0
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while (0...instructions.size).cover?(pc)
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offset = instructions[pc]
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if offset >= 3
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instructions[pc] -= 1
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else
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instructions[pc] += 1
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end
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pc += offset
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count += 1
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end
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p count
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