refactor 241

Author: fishercoder1534

src/main/java/com/fishercoder/solutions/_241.java

@@ -3,31 +3,6 @@
 import java.util.LinkedList;
 import java.util.List;
 
-/**
- * 241. Different Ways to Add Parentheses
- *
- * Given a string of numbers and operators, return all possible results from computing all the different possible ways to group numbers and operators. The valid operators are +, - and *.
-
-
- Example 1
- Input: "2-1-1".
-
- ((2-1)-1) = 0
- (2-(1-1)) = 2
- Output: [0, 2]
-
-
- Example 2
- Input: "2*3-4*5"
-
- (2*(3-(4*5))) = -34
- ((2*3)-(4*5)) = -14
- ((2*(3-4))*5) = -10
- (2*((3-4)*5)) = -10
- (((2*3)-4)*5) = 10
- Output: [-34, -14, -10, -10, 10]
-
- */
 public class _241 {
     public static class Solution1 {
         /**Time:  O(n * 4^n / n^(3/2)) ~= n * Catalan numbers = n * (C(2n, n) - C(2n, n - 1)),