@@ -0,0 +1,38 @@
+package hackerrank;
+
+import java.util.Arrays;
+
+public class GridChallenge {
+  static String gridChallenge(String[] grid) {
+    char ll[] = new char[grid.length];
+    char b[] = new char[grid.length];
+    boolean xx=true;
+    int i=0;
+    while(xx && i<grid[0].length()){
+      for(int j=0 ; j<grid.length;j++ ){
+        ll[j]=grid[j].charAt(i);
+      }
+
+      b= Arrays.copyOf(ll,grid.length);
+      Arrays.sort(ll);
+
+      if(!(Arrays.equals(b,ll))){
+        xx=false;
+        break;
+      }
+      i++;
+    }
+
+    if(xx){
+      return "YES";
+    }
+    else{
+      return "NO";
+    }
+  }
+
+  public static void main(String[] args) {
+    System.out.println(gridChallenge(new String[]{"abc", "ade", "efg"})+", ans:YES");
+    System.out.println(gridChallenge(new String[]{"ebacd", "fghij", "olmkn", "trpqs", "xywuv"})+", ans:YES");
+  }
+}