4 lines
155 B
Groovy
4 lines
155 B
Groovy
def ack ( m, n ) {
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assert m >= 0 && n >= 0 : 'both arguments must be non-negative'
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m == 0 ? n + 1 : n == 0 ? ack(m-1, 1) : ack(m-1, ack(m, n-1))
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}
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