Add output for original 8-queens in exercise 2.42
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2-42.rkt
96
2-42.rkt
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@ -74,6 +74,102 @@
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(not (memv (negative-intercept kth-position)
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(map negative-intercept pre-kth-positions))))))
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;; ;; Output
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;; (((1 . 1) (5 . 2) (8 . 3) (6 . 4) (3 . 5) (7 . 6) (2 . 7) (4 . 8))
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;; ((1 . 1) (6 . 2) (8 . 3) (3 . 4) (7 . 5) (4 . 6) (2 . 7) (5 . 8))
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;; ((1 . 1) (7 . 2) (4 . 3) (6 . 4) (8 . 5) (2 . 6) (5 . 7) (3 . 8))
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;; ((1 . 1) (7 . 2) (5 . 3) (8 . 4) (2 . 5) (4 . 6) (6 . 7) (3 . 8))
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;; ((2 . 1) (4 . 2) (6 . 3) (8 . 4) (3 . 5) (1 . 6) (7 . 7) (5 . 8))
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;; ((2 . 1) (5 . 2) (7 . 3) (1 . 4) (3 . 5) (8 . 6) (6 . 7) (4 . 8))
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;; ((2 . 1) (5 . 2) (7 . 3) (4 . 4) (1 . 5) (8 . 6) (6 . 7) (3 . 8))
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;; ((2 . 1) (6 . 2) (1 . 3) (7 . 4) (4 . 5) (8 . 6) (3 . 7) (5 . 8))
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;; ((2 . 1) (6 . 2) (8 . 3) (3 . 4) (1 . 5) (4 . 6) (7 . 7) (5 . 8))
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;; ((2 . 1) (7 . 2) (3 . 3) (6 . 4) (8 . 5) (5 . 6) (1 . 7) (4 . 8))
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;; ((2 . 1) (7 . 2) (5 . 3) (8 . 4) (1 . 5) (4 . 6) (6 . 7) (3 . 8))
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;; ((2 . 1) (8 . 2) (6 . 3) (1 . 4) (3 . 5) (5 . 6) (7 . 7) (4 . 8))
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;; ((3 . 1) (1 . 2) (7 . 3) (5 . 4) (8 . 5) (2 . 6) (4 . 7) (6 . 8))
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;; ((3 . 1) (5 . 2) (2 . 3) (8 . 4) (1 . 5) (7 . 6) (4 . 7) (6 . 8))
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;; ((3 . 1) (5 . 2) (2 . 3) (8 . 4) (6 . 5) (4 . 6) (7 . 7) (1 . 8))
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;; ((3 . 1) (5 . 2) (7 . 3) (1 . 4) (4 . 5) (2 . 6) (8 . 7) (6 . 8))
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;; ((3 . 1) (5 . 2) (8 . 3) (4 . 4) (1 . 5) (7 . 6) (2 . 7) (6 . 8))
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;; ((3 . 1) (6 . 2) (2 . 3) (5 . 4) (8 . 5) (1 . 6) (7 . 7) (4 . 8))
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;; ((3 . 1) (6 . 2) (2 . 3) (7 . 4) (1 . 5) (4 . 6) (8 . 7) (5 . 8))
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;; ((3 . 1) (6 . 2) (2 . 3) (7 . 4) (5 . 5) (1 . 6) (8 . 7) (4 . 8))
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;; ((3 . 1) (6 . 2) (4 . 3) (1 . 4) (8 . 5) (5 . 6) (7 . 7) (2 . 8))
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;; ((3 . 1) (6 . 2) (4 . 3) (2 . 4) (8 . 5) (5 . 6) (7 . 7) (1 . 8))
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;; ((3 . 1) (6 . 2) (8 . 3) (1 . 4) (4 . 5) (7 . 6) (5 . 7) (2 . 8))
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;; ((3 . 1) (6 . 2) (8 . 3) (1 . 4) (5 . 5) (7 . 6) (2 . 7) (4 . 8))
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;; ((3 . 1) (6 . 2) (8 . 3) (2 . 4) (4 . 5) (1 . 6) (7 . 7) (5 . 8))
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;; ((3 . 1) (7 . 2) (2 . 3) (8 . 4) (5 . 5) (1 . 6) (4 . 7) (6 . 8))
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;; ((3 . 1) (7 . 2) (2 . 3) (8 . 4) (6 . 5) (4 . 6) (1 . 7) (5 . 8))
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;; ((3 . 1) (8 . 2) (4 . 3) (7 . 4) (1 . 5) (6 . 6) (2 . 7) (5 . 8))
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;; ((4 . 1) (1 . 2) (5 . 3) (8 . 4) (2 . 5) (7 . 6) (3 . 7) (6 . 8))
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;; ((4 . 1) (1 . 2) (5 . 3) (8 . 4) (6 . 5) (3 . 6) (7 . 7) (2 . 8))
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;; ((4 . 1) (2 . 2) (5 . 3) (8 . 4) (6 . 5) (1 . 6) (3 . 7) (7 . 8))
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;; ((4 . 1) (2 . 2) (7 . 3) (3 . 4) (6 . 5) (8 . 6) (1 . 7) (5 . 8))
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;; ((4 . 1) (2 . 2) (7 . 3) (3 . 4) (6 . 5) (8 . 6) (5 . 7) (1 . 8))
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;; ((4 . 1) (2 . 2) (7 . 3) (5 . 4) (1 . 5) (8 . 6) (6 . 7) (3 . 8))
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;; ((4 . 1) (2 . 2) (8 . 3) (5 . 4) (7 . 5) (1 . 6) (3 . 7) (6 . 8))
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;; ((4 . 1) (2 . 2) (8 . 3) (6 . 4) (1 . 5) (3 . 6) (5 . 7) (7 . 8))
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;; ((4 . 1) (6 . 2) (1 . 3) (5 . 4) (2 . 5) (8 . 6) (3 . 7) (7 . 8))
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;; ((4 . 1) (6 . 2) (8 . 3) (2 . 4) (7 . 5) (1 . 6) (3 . 7) (5 . 8))
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;; ((4 . 1) (6 . 2) (8 . 3) (3 . 4) (1 . 5) (7 . 6) (5 . 7) (2 . 8))
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;; ((4 . 1) (7 . 2) (1 . 3) (8 . 4) (5 . 5) (2 . 6) (6 . 7) (3 . 8))
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;; ((4 . 1) (7 . 2) (3 . 3) (8 . 4) (2 . 5) (5 . 6) (1 . 7) (6 . 8))
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;; ((4 . 1) (7 . 2) (5 . 3) (2 . 4) (6 . 5) (1 . 6) (3 . 7) (8 . 8))
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;; ((4 . 1) (7 . 2) (5 . 3) (3 . 4) (1 . 5) (6 . 6) (8 . 7) (2 . 8))
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;; ((4 . 1) (8 . 2) (1 . 3) (3 . 4) (6 . 5) (2 . 6) (7 . 7) (5 . 8))
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;; ((4 . 1) (8 . 2) (1 . 3) (5 . 4) (7 . 5) (2 . 6) (6 . 7) (3 . 8))
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;; ((4 . 1) (8 . 2) (5 . 3) (3 . 4) (1 . 5) (7 . 6) (2 . 7) (6 . 8))
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;; ((5 . 1) (1 . 2) (4 . 3) (6 . 4) (8 . 5) (2 . 6) (7 . 7) (3 . 8))
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;; ((5 . 1) (1 . 2) (8 . 3) (4 . 4) (2 . 5) (7 . 6) (3 . 7) (6 . 8))
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;; ((5 . 1) (1 . 2) (8 . 3) (6 . 4) (3 . 5) (7 . 6) (2 . 7) (4 . 8))
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;; ((5 . 1) (2 . 2) (4 . 3) (6 . 4) (8 . 5) (3 . 6) (1 . 7) (7 . 8))
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;; ((5 . 1) (2 . 2) (4 . 3) (7 . 4) (3 . 5) (8 . 6) (6 . 7) (1 . 8))
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;; ((5 . 1) (2 . 2) (6 . 3) (1 . 4) (7 . 5) (4 . 6) (8 . 7) (3 . 8))
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;; ((5 . 1) (2 . 2) (8 . 3) (1 . 4) (4 . 5) (7 . 6) (3 . 7) (6 . 8))
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;; ((5 . 1) (3 . 2) (1 . 3) (6 . 4) (8 . 5) (2 . 6) (4 . 7) (7 . 8))
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;; ((5 . 1) (3 . 2) (1 . 3) (7 . 4) (2 . 5) (8 . 6) (6 . 7) (4 . 8))
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;; ((5 . 1) (3 . 2) (8 . 3) (4 . 4) (7 . 5) (1 . 6) (6 . 7) (2 . 8))
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;; ((5 . 1) (7 . 2) (1 . 3) (3 . 4) (8 . 5) (6 . 6) (4 . 7) (2 . 8))
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;; ((5 . 1) (7 . 2) (1 . 3) (4 . 4) (2 . 5) (8 . 6) (6 . 7) (3 . 8))
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;; ((5 . 1) (7 . 2) (2 . 3) (4 . 4) (8 . 5) (1 . 6) (3 . 7) (6 . 8))
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;; ((5 . 1) (7 . 2) (2 . 3) (6 . 4) (3 . 5) (1 . 6) (4 . 7) (8 . 8))
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;; ((5 . 1) (7 . 2) (2 . 3) (6 . 4) (3 . 5) (1 . 6) (8 . 7) (4 . 8))
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;; ((5 . 1) (7 . 2) (4 . 3) (1 . 4) (3 . 5) (8 . 6) (6 . 7) (2 . 8))
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;; ((5 . 1) (8 . 2) (4 . 3) (1 . 4) (3 . 5) (6 . 6) (2 . 7) (7 . 8))
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;; ((5 . 1) (8 . 2) (4 . 3) (1 . 4) (7 . 5) (2 . 6) (6 . 7) (3 . 8))
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;; ((6 . 1) (1 . 2) (5 . 3) (2 . 4) (8 . 5) (3 . 6) (7 . 7) (4 . 8))
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;; ((6 . 1) (2 . 2) (7 . 3) (1 . 4) (3 . 5) (5 . 6) (8 . 7) (4 . 8))
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;; ((6 . 1) (2 . 2) (7 . 3) (1 . 4) (4 . 5) (8 . 6) (5 . 7) (3 . 8))
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;; ((6 . 1) (3 . 2) (1 . 3) (7 . 4) (5 . 5) (8 . 6) (2 . 7) (4 . 8))
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;; ((6 . 1) (3 . 2) (1 . 3) (8 . 4) (4 . 5) (2 . 6) (7 . 7) (5 . 8))
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;; ((6 . 1) (3 . 2) (1 . 3) (8 . 4) (5 . 5) (2 . 6) (4 . 7) (7 . 8))
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;; ((6 . 1) (3 . 2) (5 . 3) (7 . 4) (1 . 5) (4 . 6) (2 . 7) (8 . 8))
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;; ((6 . 1) (3 . 2) (5 . 3) (8 . 4) (1 . 5) (4 . 6) (2 . 7) (7 . 8))
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;; ((6 . 1) (3 . 2) (7 . 3) (2 . 4) (4 . 5) (8 . 6) (1 . 7) (5 . 8))
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;; ((6 . 1) (3 . 2) (7 . 3) (2 . 4) (8 . 5) (5 . 6) (1 . 7) (4 . 8))
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;; ((6 . 1) (3 . 2) (7 . 3) (4 . 4) (1 . 5) (8 . 6) (2 . 7) (5 . 8))
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;; ((6 . 1) (4 . 2) (1 . 3) (5 . 4) (8 . 5) (2 . 6) (7 . 7) (3 . 8))
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;; ((6 . 1) (4 . 2) (2 . 3) (8 . 4) (5 . 5) (7 . 6) (1 . 7) (3 . 8))
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;; ((6 . 1) (4 . 2) (7 . 3) (1 . 4) (3 . 5) (5 . 6) (2 . 7) (8 . 8))
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;; ((6 . 1) (4 . 2) (7 . 3) (1 . 4) (8 . 5) (2 . 6) (5 . 7) (3 . 8))
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;; ((6 . 1) (8 . 2) (2 . 3) (4 . 4) (1 . 5) (7 . 6) (5 . 7) (3 . 8))
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;; ((7 . 1) (1 . 2) (3 . 3) (8 . 4) (6 . 5) (4 . 6) (2 . 7) (5 . 8))
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;; ((7 . 1) (2 . 2) (4 . 3) (1 . 4) (8 . 5) (5 . 6) (3 . 7) (6 . 8))
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;; ((7 . 1) (2 . 2) (6 . 3) (3 . 4) (1 . 5) (4 . 6) (8 . 7) (5 . 8))
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;; ((7 . 1) (3 . 2) (1 . 3) (6 . 4) (8 . 5) (5 . 6) (2 . 7) (4 . 8))
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;; ((7 . 1) (3 . 2) (8 . 3) (2 . 4) (5 . 5) (1 . 6) (6 . 7) (4 . 8))
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;; ((7 . 1) (4 . 2) (2 . 3) (5 . 4) (8 . 5) (1 . 6) (3 . 7) (6 . 8))
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;; ((7 . 1) (4 . 2) (2 . 3) (8 . 4) (6 . 5) (1 . 6) (3 . 7) (5 . 8))
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;; ((7 . 1) (5 . 2) (3 . 3) (1 . 4) (6 . 5) (8 . 6) (2 . 7) (4 . 8))
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;; ((8 . 1) (2 . 2) (4 . 3) (1 . 4) (7 . 5) (5 . 6) (3 . 7) (6 . 8))
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;; ((8 . 1) (2 . 2) (5 . 3) (3 . 4) (1 . 5) (7 . 6) (4 . 7) (6 . 8))
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;; ((8 . 1) (3 . 2) (1 . 3) (6 . 4) (2 . 5) (5 . 6) (7 . 7) (4 . 8))
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;; ((8 . 1) (4 . 2) (1 . 3) (3 . 4) (6 . 5) (2 . 6) (7 . 7) (5 . 8)))
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;; Exercise 2.43
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;; This is slower than the first version from the book because
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