40. Combination Sum II

Author: Tushar Borole

README.md

@@ -54,6 +54,7 @@
 | 189  | [Rotate Array](https://leetcode.com/problems/rotate-array/)                                                                       | [rotate_array.js](rotate_array.js)                                                                            | 92 ms            | 35.3 MB              | Easy       |
 | 1013 | [Partition Array Into Three Parts With Equal Sum](https://leetcode.com/problems/partition-array-into-three-parts-with-equal-sum/) | [partition_array_into_three_parts.js](partition_array_into_three_parts.js)                                    | 72 ms            | 39.6 MB              | Easy       |
 | 167  | [Two Sum II - Input array is sorted](https://leetcode.com/problems/two-sum-ii-input-array-is-sorted/)                             | [two_sum_II.js](two_sum_II.js)                                                                                | 64 ms            | 35.5 MB              | Easy       |
+| 20   | [Valid Parentheses](https://leetcode.com/problems/valid-parentheses/)                                                             | [valid_parentheses.js](valid_parentheses.js)                                                                  | 52 ms            | 33.9 MB              | Easy       |
 | 912  | [Sort an Array](https://leetcode.com/problems/sort-an-array/)                                                                     | [Solution](sort_an_array.js)                                                                                  | 7176 ms          | 38.9 MB              | Medium     |
 | 414  | [Third Maximum Number](https://leetcode.com/problems/third-maximum-number/)                                                       | [third_maximum_number.js](third_maximum_number.js)                                                            | 76 ms            | 38 MB                | Easy       |
 | 701  | [Insert into a Binary Search Tree](https://leetcode.com/problems/insert-into-a-binary-search-tree/)                               | [Solution](insert_into_a_binary_search_tree.js)                                                               | 112 ms           | 41.9 MB              | Medium     |