board print

Author: proton

week4/priority-queues/assignment-8-puzzle/Board.java

@@ -1,3 +1,5 @@
+import edu.princeton.cs.algs4.StdOut;
+
 public class Board {
   int[][] tiles;
 
@@ -9,7 +11,18 @@ public Board(int[][] tiles) {
 
   // string representation of this board
   public String toString() {
-    return "";
+    String s = new String();
+
+    s = s.concat(dimension() + "\n");
+
+    for (int i = 0; i < dimension(); i++) {
+      for (int j = 0; j < dimension(); j++) {
+        s = s.concat(" " + tiles[i][j]);
+      }
+      s = s.concat("\n");
+    }
+
+    return s;
   }
 
   // board dimension n

week4/priority-queues/assignment-8-puzzle/Solver.java

@@ -33,8 +33,9 @@ public static void main(String[] args) {
     int n = in.readInt();
     int[][] tiles = new int[n][n];
     for (int i = 0; i < n; i++)
-        for (int j = 0; j < n; j++)
-            tiles[i][j] = in.readInt();
+    for (int j = 0; j < n; j++) {
+      tiles[i][j] = in.readInt();
+    }
 
     Board initial = new Board(tiles);