Initial data commit

Task/Dinesmans-multiple-dwelling-problem/UTFool/dinesmans-multiple-dwelling-problem.utfool

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+···
+http://rosettacode.org/wiki/Dinesman's_multiple-dwelling_problem
+···
+import java.util.HashSet
+
+■ Dinesman
+  § static
+
+    houses⦂ HashSet⟨String⟩°
+
+    ▶ main
+    • args⦂ String[]
+      · Baker, Cooper, Fletcher, Miller, and Smith …
+      build *StringBuilder°, *StringBuilder "BCFMS"
+      ∀ house ∈ houses⦂ String
+        if verify house
+           System.out.println house.toString°
+
+    ▶ verify⦂ boolean
+    • house⦂ String
+      · Baker does not live on the top floor.
+      return false if house.charAt 4 = 'B'
+      · Fletcher does not live on either the top or the bottom floor.
+      return false if house.charAt 0 = 'F' or house.charAt 4 = 'F'
+      · Cooper does not live on the bottom floor.
+      return false if house.charAt 0 = 'C'
+      · Miller lives on a higher floor than does Cooper.
+      return false if house.indexOf "M" ≤ house.indexOf "C"
+      · Smith does not live on a floor adjacent to Fletcher's.
+      return false if Math.abs (house.indexOf "S") - (house.indexOf "F") = 1
+      · Fletcher does not live on a floor adjacent to Cooper's.
+      return false if Math.abs (house.indexOf "F") - (house.indexOf "C") = 1
+      return true
+
+    ▶ build
+    • house⦂ StringBuilder
+    • people⦂ StringBuilder
+      if people.length° = 0
+         houses.add house.toString°
+      else
+         ∀ i ∈ 0…people.length°
+           person⦂ char: people.charAt i
+           house.append person
+           people.deleteCharAt i
+           build house, people
+           people.insert i, person
+           house.setLength house.length° - 1