Created
November 11, 2013 10:12
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4-queens as a Constraint Satisfaction Problem
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| CSP.problem = { | |
| variables : { | |
| v1 : [0, 1], | |
| v2 : [0, 1], | |
| v3 : [0, 1], | |
| v4 : [0, 1], | |
| v5 : [0, 1], | |
| v6 : [0, 1], | |
| v7 : [0, 1], | |
| v8 : [0, 1], | |
| v9 : [0, 1], | |
| v10 : [0, 1], | |
| v11 : [0, 1], | |
| v12 : [0, 1], | |
| v13 : [0, 1], | |
| v14 : [0, 1], | |
| v15 : [0, 1], | |
| v16 : [0, 1], | |
| }, | |
| constraints : [ | |
| "v1 + v2 + v3 + v4 <=1", "v5 + v6 + v7 + v8 <=1","v9 + v10 + v11 + v12 <=1", "v13 + v14 + v15 + v16 <=1", | |
| "v1 + v5 + v9 + v13 <=1", "v2 + v6 + v10 + v14 <=1", "v3 + v7 + v11 + v15 <=1", "v4 + v8 + v12 + v16 <=1", | |
| "v13 <= 1", "v9 + v14 <=1", "v5 + v10 +v15 <=1", "v1 +v6 +v11 +v16<=1","v2 + v7 + v12<=1", "v3 + v8<=1", | |
| "v4<=1", | |
| "v1 <= 1", "v2 + v5 <=1","v3 + v6 +v9 <=1","v4 +v7 +v10 +v13<=1","v8 + v11 + v14<=1","v12 + v15<=1", | |
| "v16<=1", | |
| "v1 + v2 + v3 + v4 + v5 + v6 + v7 + v8 + v9 + v10 + v11 + v12 + v13 + v14 + v15 + v16 ==4", | |
| ] | |
| }; |
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