fixMediumPizzaSlicing. Fix big pizza parsing

Author: seajer

src/main/java/com/google/hashcode/App.java

@@ -24,9 +24,9 @@ public class App {
     public static void main(String[] args) throws IOException {
         //slicePizza(EXAMPLE_INPUT_FILE_PATH, OUTPUT_DATA_SET_EXAMPLE_TXT);
         //slicePizza(SMALL_INPUT_FILE_PATH, OUTPUT_DATA_SET_SMALL_TXT);
-        slicePizza(MEDIUM_INPUT_FILE_PATH, OUTPUT_DATA_SET_MEDIUM_TXT);
+       // slicePizza(MEDIUM_INPUT_FILE_PATH, OUTPUT_DATA_SET_MEDIUM_TXT);
         //TODO troubles to input big files, possible exciting String max size
-        //slicePizza(BIG_INPUT_FILE_PATH, OUTPUT_DATA_SET_BIG_TXT);
+        slicePizza(BIG_INPUT_FILE_PATH, OUTPUT_DATA_SET_BIG_TXT);
     }
 
     public static void slicePizza(String inputFile, String outputFile) throws IOException {

src/main/java/com/google/hashcode/entity/Pizza.java

@@ -13,8 +13,8 @@
 public class Pizza {
 
     private final File input;
-    private final List<Cell> cells;
     private final SliceInstruction sliceInstruction;
+    private List<Cell> cells;
 
     public Pizza(File input, List<Cell> cells, SliceInstruction sliceInstruction) {
         this.input = input;
@@ -30,6 +30,10 @@ public List<Cell> getCells() {
         return cells;
     }
 
+    public void setCells(List<Cell> cells) {
+        this.cells = cells;
+    }
+
     /**
      * Coordinates are like in a 2D array
      *

src/main/java/com/google/hashcode/utils/DFSMethods.java

@@ -141,12 +141,16 @@ public static Step selectStep(Map<Slice, List<Step>> steps) {
      * @return slices that are start positions for future slicing
      */
     public static List<Slice> cutAllStartPositions(Pizza pizza) {
+        Profiler profiler = new Profiler();
+        System.out.println("cutAllStartPosition start");
         List<Cell> mushrooms = pizza.getCells().stream()
                 .filter(cell -> cell.ingredient.equals(Ingredient.MUSHROOM))
                 .collect(Collectors.toList());
+        System.out.println("m size = " + mushrooms.size());
         List<Cell> tomatoes = pizza.getCells().stream()
                 .filter(cell -> cell.ingredient.equals(Ingredient.TOMATO))
                 .collect(Collectors.toList());
+        System.out.println("t size = " + tomatoes.size());
         LOGGER.info("cutAllStartPositions for pizza: "
                 + "\n" + pizza
                 + "\nmushrooms number: " + mushrooms.size()
@@ -156,21 +160,16 @@ public static List<Slice> cutAllStartPositions(Pizza pizza) {
             startPositions = tomatoes.stream()
                     .map(Slice::new)
                     .collect(Collectors.toList());
-            List<Cell> cellsToRemove = startPositions.stream()
-                    .flatMap(slice -> slice.cells.stream())
-                    .collect(Collectors.toList());
-            pizza.getCells().removeAll(cellsToRemove);
+            pizza.setCells(mushrooms);
         } else {
             startPositions = mushrooms.stream()
                     .map(Slice::new)
                     .collect(Collectors.toList());
-            List<Cell> cellsToRemove = startPositions.stream()
-                    .flatMap(slice -> slice.cells.stream())
-                    .collect(Collectors.toList());
-            pizza.getCells().removeAll(cellsToRemove);
+            pizza.setCells(tomatoes);
         }
         LOGGER.info("pizza without start positions:"
                 + "\n" + pizza);
+        System.out.println(profiler.measure("cut All ss ends in "));
         return startPositions;
     }