docs: add time complexity to merge sort

TheAlgorithms / C-Plus-Plus

Collection of various algorithms in mathematics, machine learning, computer science and physics implemented in C++ for educational purposes.

https://thealgorithms.github.io/C-Plus-Plus

MIT License

30.82k stars 7.29k forks source link

Open jiya10208 opened 1 month ago

jiya10208 commented 1 month ago

adding time complexity of merge sort definition

realstealthninja commented 1 month ago

please use the given pull request format