Update README.md

README.md

@@ -69,6 +69,7 @@ This repository contains solutions to over 500 Leetcode problems that are organi
 | 332 | Reconstruct Itinerary | [![Medium](https://img.shields.io/badge/Medium-12100E?style=for-the-badge&logo=medium&logoColor=white)](https://medium.com/@_monitsharma/daily-leetcode-problems-problem-332-reconstruct-itinerary-7d3f84de1c79) |
 | 338 | Counting Bits | [![Medium](https://img.shields.io/badge/Medium-12100E?style=for-the-badge&logo=medium&logoColor=white)](https://medium.com/@_monitsharma/daily-leetcode-problems-problem-338-counting-bits-348b39475b94) |
 | 341 | Flatten Nested List Iterator | [![Medium](https://img.shields.io/badge/Medium-12100E?style=for-the-badge&logo=medium&logoColor=white)](https://medium.com/@_monitsharma/daily-leetcode-problems-341-flatten-nested-list-iterator-8c2a17fa7c04) |
+| 342 |Power of Four | [![Medium](https://img.shields.io/badge/Medium-12100E?style=for-the-badge&logo=medium&logoColor=white)](https://medium.com/@_monitsharma/daily-leetcode-problems-342-power-of-four-634493eb6f93) |
 | 343 | Integer Break | [![Medium](https://img.shields.io/badge/Medium-12100E?style=for-the-badge&logo=medium&logoColor=white)](https://medium.com/@_monitsharma/daily-leetcode-problems-343-integer-break-a6da7ab12bf0) |
 | 347 | Top K Frequent Elements | [![Medium](https://img.shields.io/badge/Medium-12100E?style=for-the-badge&logo=medium&logoColor=white)](https://medium.com/@_monitsharma/daily-leetcode-problems-problem-347-top-k-frequent-elements-a76a1bddb7b7) | 
 | 373 | Find K Pairs with Smallest Sums | [![Medium](https://img.shields.io/badge/Medium-12100E?style=for-the-badge&logo=medium&logoColor=white)](https://medium.com/@_monitsharma/daily-leetcode-problems-problem-373-find-k-pairs-with-smallest-sums-864a73d1bb18) |