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Description
Improvements:
Use of <bits/stdc++.h>: This header includes all standard library headers, which can increase compilation time unnecessarily. It is better to include only the specific headers you need, in this case, .
Pass large arrays by reference: While this is not strictly necessary in this small example, for large arrays, it is generally more efficient to pass them by reference rather than by value.
Variable naming: Use more descriptive variable names, such as left, right, and mid, instead of abbreviations like l, r, and m. This enhances code readability.
Edge case handling: The code does not have any significant flaws in logic, but ensuring that it's applied only on sorted arrays is important in practice. Perhaps adding a comment about it or including an assertion that checks if the array is sorted might help in larger projects.