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24 lines
601 B
Racket
24 lines
601 B
Racket
#lang at-exp racket
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(require "csp.rkt" racket/port rackunit)
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(use-mrv? #f)
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(use-reduce-arity? #f)
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(use-mac? #f)
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(use-remove-constraints? #f)
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(use-validate-assignments? #t)
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(define (neq? x y) (not (eq? x y)))
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(define c (make-csp))
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(add-vars! c '(wa nsw t q nt v sa) '(red green blue))
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(add-constraint! c neq? '(wa nt))
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(add-constraint! c neq? '(nt q))
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(add-constraint! c neq? '(q nsw))
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(add-constraint! c neq? '(nsw v))
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(add-constraint! c neq? '(sa wa))
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(add-constraint! c neq? '(sa nt))
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(add-constraint! c neq? '(sa q))
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(add-constraint! c neq? '(sa nsw))
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(add-constraint! c neq? '(sa v))
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(solve c) |