15 lines
200 B
Text
15 lines
200 B
Text
def ack
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var n var m
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m 0 == if
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n 1 +
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else
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n 0 == if
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m 1 - 1 ack
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else
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m 1 - m n 1 - ack ack
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endif
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endif
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enddef
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3 6 ack print nl
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