update readme

Author: hogan-tech

README.md

@@ -271,7 +271,7 @@ The solutions are organized as follows:
 | 0935 | [Knight Dialer](https://leetcode.com/problems/knight-dialer/)                                                                                                       | [Python](./0935-knight-dialer/0935-knight-dialer.py)                                                                                                                                                                                                                           | [Medium](./0935-knight-dialer/README.md)                                                  |
 | 0938 | [Range Sum of BST](https://leetcode.com/problems/range-sum-of-bst/)                                                                                                 | [Python](./0938-range-sum-of-bst/0938-range-sum-of-bst.py)                                                                                                                                                                                                                     | [Easy](./0938-range-sum-of-bst/README.md)                                                 |
 | 0973 | [K Closest Points to Origin](https://leetcode.com/problems/k-closest-points-to-origin/)                                                                             | [Python](./0973-k-closest-points-to-origin/0973-k-closest-points-to-origin.py)                                                                                                                                                                                                 | [Medium](./0973-k-closest-points-to-origin/README.md)                                     |
-| 0977 | [Squares of a Sorted Array](https://leetcode.com/problems/squares-of-a-sorted-array/)                                                                               | [C++](./0977-squares-of-a-sorted-array/0977-squares-of-a-sorted-array.cpp)                                                                                                                                                                                                     | [Easy](./0977-squares-of-a-sorted-array/README.md)                                        |
+| 0977 | [Squares of a Sorted Array](https://leetcode.com/problems/squares-of-a-sorted-array/)                                                                               | [Python](./0977-squares-of-a-sorted-array/0977-squares-of-a-sorted-array.py), [C++](./0977-squares-of-a-sorted-array/0977-squares-of-a-sorted-array.cpp)                                                                                                                       | [Easy](./0977-squares-of-a-sorted-array/README.md)                                        |
 | 0981 | [Time Based Key-Value Store](https://leetcode.com/problems/time-based-key-value-store/)                                                                             | [Python](./0981-time-based-key-value-store/0981-time-based-key-value-store.py)                                                                                                                                                                                                 | [Medium](./0981-time-based-key-value-store/README.md)                                     |
 | 0994 | [Rotting Oranges](https://leetcode.com/problems/rotting-oranges/)                                                                                                   | [Python](./0994-rotting-oranges/0994-rotting-oranges.py), [C++](./0994-rotting-oranges/0994-rotting-oranges.cpp)                                                                                                                                                               | [Medium](./0994-rotting-oranges/README.md)                                                |
 | 0997 | [Find the Town Judge](https://leetcode.com/problems/find-the-town-judge/)                                                                                           | [Python](./0997-find-the-town-judge/0997-find-the-town-judge.py)                                                                                                                                                                                                               | [Easy](./0997-find-the-town-judge/README.md)                                              |