gitweb on Svarog

projekti pod git sistemom za održavanje verzija -- projects under the git version control system
Doterivanja objedinjenog resenja za lavirint
[spa2-materijali.git] / PretrazivanjeSaVracanjem / Lavirint / ObjedinjenoResenje / Lavirint.java
index 4fd8f79..312fa9c 100644 (file)
@@ -34,23 +34,22 @@ public class Lavirint {
                }\r
                if (m.getMat(x, y) == Mapa.IZLAZ) {\r
                        return true;\r
-               } else {\r
-                       m.setPos(x, y, true);\r
-                       if (postojiPut(x + 1, y)) {\r
-                               return true;\r
-                       }\r
-                       if (postojiPut(x - 1, y)) {\r
-                               return true;\r
-                       }\r
-                       if (postojiPut(x, y + 1)) {\r
-                               return true;\r
-                       }\r
-                       if (postojiPut(x, y - 1)) {\r
-                               return true;\r
-                       }\r
-                       m.setPos(x, y, false);\r
-                       return false;\r
                }\r
+               m.setPos(x, y, true);\r
+               if (postojiPut(x + 1, y)) {\r
+                       return true;\r
+               }\r
+               if (postojiPut(x - 1, y)) {\r
+                       return true;\r
+               }\r
+               if (postojiPut(x, y + 1)) {\r
+                       return true;\r
+               }\r
+               if (postojiPut(x, y - 1)) {\r
+                       return true;\r
+               }\r
+               m.setPos(x, y, false);\r
+               return false;\r
        }\r
 \r
        // Poziva metodu rput da pronadje i ispise put, ako postoji\r
@@ -78,16 +77,15 @@ public class Lavirint {
                if (m.getMat(x, y) == Mapa.IZLAZ) {\r
                        System.out.println(x + " " + y);\r
                        return true;\r
-               } else {\r
-                       m.setPos(x, y, true);\r
-                       if (rput(x + 1, y) || rput(x, y + 1) || rput(x, y - 1)\r
-                                       || rput(x - 1, y)) {\r
-                               System.out.println(x + " " + y);\r
-                               return true;\r
-                       }\r
-                       m.setPos(x, y, false);\r
-                       return false;\r
                }\r
+               m.setPos(x, y, true);\r
+               if (rput(x + 1, y) || rput(x, y + 1) || rput(x, y - 1)\r
+                               || rput(x - 1, y)) {\r
+                       System.out.println(x + " " + y);\r
+                       return true;\r
+               }\r
+               m.setPos(x, y, false);\r
+               return false;\r
        }\r
 \r
        // Kreira optimalno resenje za put, pri cemu se za optimalnost resenja\r
@@ -125,19 +123,21 @@ public class Lavirint {
                if (m.getMat(x, y) == Mapa.IZLAZ) {\r
                        r.dodaj(x, y, 0);\r
                        if (optResenje == null || c.compare(r, optResenje) < 0) {\r
-                               optResenje = r.clone();\r
+                               optResenje = r.kopija();\r
                        }\r
                        r.izbaciKraj();\r
-               } else {\r
-                       m.setPos(x, y, true);\r
-                       r.dodaj(x, y, m.getMat(x, y));\r
-                       optPut(x + 1, y, r, c);\r
-                       optPut(x, y + 1, r, c);\r
-                       optPut(x, y - 1, r, c);\r
-                       optPut(x - 1, y, r, c);\r
-                       m.setPos(x, y, false);\r
-                       r.izbaciKraj();\r
+                       return;\r
                }\r
+               \r
+               // pokusavamo da trazimo dalje put\r
+               m.setPos(x, y, true);\r
+               r.dodaj(x, y, m.getMat(x, y));\r
+               optPut(x + 1, y, r, c);\r
+               optPut(x, y + 1, r, c);\r
+               optPut(x, y - 1, r, c);\r
+               optPut(x - 1, y, r, c);\r
+               m.setPos(x, y, false);\r
+               r.izbaciKraj();\r
        }\r
 }\r
 \r
Svarog.pmf.uns.ac.rs/gitweb maintanance Doni Pracner