first successful run to solve a simple puzzle

2026-07-25 06:58:15 +02:00
parent 8e99087a30
commit 7bf4a8d725
15 changed files with 201 additions and 28 deletions
@@ -14,7 +14,7 @@ func (ns *NakedSingle) SearchProgressableCells() int {
 	ns.field.ForEachPart(func(part board.Part) {
 		part.ForEachCell(func(cell *board.Cell) {
 			candidates := cell.Notes.Get()
-			if len(candidates) == 1 {
+			if len(candidates) == 1 && cell.GetNumber() == 0 {
 				change := board.ExternalChange{
 					Cell:       cell,
 					Action:     board.ActionSetNumber,
@@ -29,6 +29,10 @@ func (ns *NakedSingle) SearchProgressableCells() int {
 	return len(ns.changes)
 }

+func (ns *NakedSingle) getName() string {
+	return "Naked Single"
+}
+
 // ────────────────────────────────────────────────────────────────────────────── //
 // NAKED_DOUBLE STRUCTURE                                                         //
 // ────────────────────────────────────────────────────────────────────────────── //