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17 lines
No EOL
378 B
Text
17 lines
No EOL
378 B
Text
fun f (x) {
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case x of
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Nil -> write (0)
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| Cons (_, Nil) -> write (1)
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| Cons (_, Cons (_, Nil)) -> write (2)
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| Cons (_, Cons (_, Cons (_, Nil))) -> write (3)
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| _ -> write (4)
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esac
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}
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x := read ();
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y := Nil;
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for i := 0, i < 10, i := i + 1 do
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f (y);
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y := Cons (i, y)
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od |