6 lines
125 B
Text
6 lines
125 B
Text
F=: {{ 'N X Y'=. y assert. N>:0
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if. 0=N do. X+Y
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elseif. Y=0 do. X
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else. F (N-1),(F N,X,Y-1), Y+F N, X, Y-1
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end.
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}}"1
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