16 lines
333 B
MiniZinc
16 lines
333 B
MiniZinc
function var bool: all_different(array[int] of var int: x) =
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let {
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set of int: S = range(1, length(x));
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} in forall([
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int_neq(element(x, i),element(x, j))
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| i in S,
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j in S
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where int_lt(i,j)
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]);
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function bool: main(int: n) =
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let {
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array[1..n] of var 1..n-1: pigeon;
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constraint all_different(pigeon);
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} in true;
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