.gitignore updates

Author: vm137

.gitignore

@@ -1,2 +1,3 @@
 .idea/
 out/
+*.iml

src/Percolation.java

@@ -53,7 +53,12 @@ public void open(int row, int col) {
 
         // qq
         if (row == maxN) {
-            ufstruct.union(rowColTo1D(row, col), qq);
+            if (isOpen(row - 1, col) && isFull(row - 1, col)
+                    || (isValid(row, col - 1) && isFull(row, col - 1))
+                    || (isValid(row, col + 1) && isFull(row, col + 1))) {
+                ufstruct.union(rowColTo1D(row, col), qq);
+            }
+
         }
 
     }

src/PercolationStats.java

@@ -50,6 +50,8 @@ public static void main(String[] args) {
 
         PercolationStats ps = new PercolationStats(Integer.parseInt(args[0]), Integer.parseInt(args[1]));
 
+
+
         System.out.printf("mean = %g %n", ps.mean());
         System.out.printf("stddev = %g %n", ps.stddev());
         System.out.printf("95%% confidence interval = [%g, %g]", ps.confidenceLo(), ps.confidenceHi());