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NQueens syntax fixes

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This commit is contained in:
Marceline Cramer
2026-04-15 11:33:55 -06:00
parent 0b9fea4f26
commit 75c9635658
1 changed files with 2 additions and 2 deletions
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examples/NQueens.rp1
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@@ -14,7 +14,7 @@ Queen(row, col) :- Coord row, Coord col.
:- @count col : Queen(_, col) = 1. :- @count col : Queen(_, col) = 1.
; At most one queen can go along each main diagonal. ; At most one queen can go along each main diagonal.
:- @count diag : { Queen (row, col), diag = row + col } <= 1. :- @count diag : { Queen(row, col), diag = row + col } <= 1.
; At most one queen can go along each orthogonal diagonal. ; At most one queen can go along each orthogonal diagonal.
:- @count diag : { Queen (row, col), diag = row - col } <= 1. :- @count diag : { Queen(row, col), diag = row - col } <= 1.