refactor 73

Author: fishercoder1534

src/main/java/com/fishercoder/solutions/_73.java

@@ -6,11 +6,11 @@
  * Given a m x n matrix, if an element is 0, set its entire row and column to 0. Do it in place.
 
  Follow up:
+
  Did you use extra space?
  A straight forward solution using O(mn) space is probably a bad idea.
  A simple improvement uses O(m + n) space, but still not the best solution.
  Could you devise a constant space solution?
-
  */
 public class _73 {
 
@@ -131,4 +131,4 @@ public void setZeroes(int[][] matrix) {
             }
         }
     }
-}
+}