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How to Solve Reverse Vowels of a String Problem
Master the Reverse Vowels of a String LeetCode problem with undetectable real-time assistance. Get instant solutions and explanations during your coding interviews.
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Start Free for WindowsEasy#345
LeetCode ProblemReverse Vowels of a String
Given a string s, reverse only all the vowels in the string and return it. The vowels are 'a', 'e', 'i', 'o', and 'u', and they can appear in both lower and upper cases, more than once.
Two PointersString
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Problem Breakdown
Understanding the Reverse Vowels of a String Problem
Let's break down this LeetCode problem and understand what makes it challenging in interview settings.
Problem Statement
Given a string s, reverse only all the vowels in the string and return it. The vowels are 'a', 'e', 'i', 'o', and 'u', and they can appear in both lower and upper cases, more than once.
EasyProblem #345
LeetCodeReverse Vowels of a String
Related Topics
Two PointersString
How Phantom Code Helps
Get real-time assistance for Reverse Vowels of a String problems during coding interviews. Phantom Code provides instant solutions and explanations.
Examples
# Example 1
Input
s = "IceCreAm"
Output
"AceCreIm"
# Example 2
Input
s = "leetcode"
Output
"leotcede"
Constraints
1 <= s.length <= 3 * 105
s consist of printable ASCII characters.
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Solve Reverse Vowels of a String — Given a string s, reverse only all the vowels in the string and return it. The v...
Here's the optimal approach using Two Pointers:
def solve(input):
# Optimal O(n) solution
return result
Time: O(n) | Space: O(n)
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Frequently Asked Questions
Common questions about solving Reverse Vowels of a String and using Phantom Code during coding interviews.
How does Phantom Code help me solve coding problems like Reverse Vowels of a String during interviews?
Phantom Code generates complete solutions instantly with proper complexity analysis, letting you focus on explaining your approach and demonstrating problem-solving skills rather than getting stuck on implementation details during high-pressure situations.
What if the interviewer asks follow-up questions or modifications to problems like Reverse Vowels of a String?
Phantom Code adapts in real-time. Screenshot the modified problem or use audio mode to capture the interviewer's follow-up, and get an updated solution within seconds — including edge cases and optimizations.
Can Phantom Code help me communicate my solution for problems like Reverse Vowels of a String?
Yes. Phantom Code provides step-by-step approach explanations with 3 progressive thoughts, so you can walk through your solution naturally. It also provides time and space complexity analysis to discuss trade-offs.
How does Phantom Code assist with different programming languages for Reverse Vowels of a String type problems?
Phantom Code supports 11 programming languages including Python, Java, C++, JavaScript, TypeScript, Go, Rust, Ruby, Swift, Kotlin, and C#. Set your preferred language and get idiomatic solutions.
What coding mistakes does Phantom Code help me avoid during Reverse Vowels of a String interviews?
Phantom Code catches common mistakes like off-by-one errors, missing edge cases, incorrect base conditions, and suboptimal approaches. It provides clean, well-structured code that handles all edge cases.
Is Phantom Code detectable when solving problems like Reverse Vowels of a String during live interviews?
No. Phantom Code runs as an invisible desktop overlay that doesn't appear in screen shares, recordings, or proctoring software. It works with Zoom, HackerRank, CodeSignal, CoderPad, and all major platforms.
How does Phantom Code help when I'm struggling with Reverse Vowels of a String style questions under pressure?
The AI provides structured guidance: first the approach (what algorithm/data structure to use and why), then the implementation with clean code, and finally complexity analysis. This helps you think clearly even under pressure.
Does Phantom Code work for the coding platforms used in Reverse Vowels of a String interviews?
Yes. Phantom Code works with all major coding platforms including LeetCode, HackerRank, CodeSignal, CoderPad, HackerEarth, and any browser-based coding environment.
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