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Quick Summary
Identify words that start and end with vowels.
Reverse only the substring between the first and last character for qualifying words.
Return the modified array while leaving non-qualifying words untouched.
What This Tests
String manipulation and substring extraction
Case-insensitive character comparison
Conditional array traversal
Two-pointer swapping technique
Common Patterns
Two Pointers
Hashing
String Manipulation
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Hint 2
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