Sudan function: Difference between revisions
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;Task: |
;Task: |
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Write a function which returns the value of F(x, y). |
Write a function which returns the value of F(x, y). |
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=={{header|Ada}}== |
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{{trans|Javascript}} |
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<lang Ada>with Ada.Text_IO; use Ada.Text_IO; |
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procedure Sudan_Function is |
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function F (N, X, Y : Natural) return Natural |
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is (if N = 0 then X + Y |
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elsif Y = 0 then X |
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else F (N => N - 1, |
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X => F (N, X, Y - 1), |
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Y => F (N, X, Y - 1) + Y)); |
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begin |
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Put_Line ("F0 (0, 0) = " & F (0, 0, 0)'Image); |
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Put_Line ("F1 (1, 1) = " & F (1, 1, 1)'Image); |
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Put_Line ("F1 (3, 3) = " & F (1, 3, 3)'Image); |
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Put_Line ("F2 (1, 1) = " & F (2, 1, 1)'Image); |
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Put_Line ("F2 (2, 1) = " & F (2, 2, 1)'Image); |
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Put_Line ("F3 (1, 1) = " & F (3, 1, 1)'Image); |
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end Sudan_Function;</lang> |
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{{out}} |
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<pre> |
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F0 (0, 0) = 0 |
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F1 (1, 1) = 3 |
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F1 (3, 3) = 35 |
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F2 (1, 1) = 8 |
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F2 (2, 1) = 27 |
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F3 (1, 1) = 10228 |
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</pre> |
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=={{header|C}}== |
=={{header|C}}== |
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