diff -r 663c2a9108d1 -r 4de31fdc0d67 main_templates4/knight2.scala --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main_templates4/knight2.scala Mon Nov 02 02:31:44 2020 +0000 @@ -0,0 +1,43 @@ +// Core Part about finding a single tour for a board using the +// Warnsdorf Rule +//============================================================== + +object CW9b { + + +// !!! Copy any function you need from file knight1.scala !!! +// +// If you need any auxiliary function, feel free to +// implement it, but do not make any changes to the +// templates below. + +type Pos = (Int, Int) // a position on a chessboard +type Path = List[Pos] // a path...a list of positions + + +//(6) Complete the function that calculates a list of onward +// moves like in (2) but orders them according to Warnsdorf’s +// rule. That means moves with the fewest legal onward moves +// should come first. + + +def ordered_moves(dim: Int, path: Path, x: Pos) : List[Pos] = ??? + + +//(7) Complete the function that searches for a single *closed* +// tour using the ordered_moves function from (6). This +// function will be tested on a 6 x 6 board. + + +def first_closed_tour_heuristics(dim: Int, path: Path) : Option[Path] = ??? + + +//(8) Same as (7) but searches for *non-closed* tours. This +// version of the function will be called with dimensions of +// up to 30 * 30. + +def first_tour_heuristics(dim: Int, path: Path) : Option[Path] = ??? + + + +}