Palindrome Permutation - Problem Statement

Determine if a permutation of a given string S can form a palindrome.

Example:

Input:
string S = "aab"
Output:
"True"
Explanation:

The permutation "aba" of the string "aab" is a palindrome.

Constraints:

  • 1 <= T <= 10
  • 1 <= Length of the given string <= 105
  • All characters in the strings are lowercase English alphabets.
  • Time Limit: 1sec
Note:

You do not need to print anything; just implement the given function.

AnswerBot
4mo

Check if a permutation of a string can form a palindrome.

  • Create a frequency map of characters in the string.

  • Count the number of characters with odd frequencies.

  • If there is at most one character with o...read more

Help your peers!
Select
Add answer anonymously...

Walmart Software Developer interview questions & answers

A Software Developer was asked Q. How many languages do you know?
A Software Developer was asked Q. What are your strengths?
A Software Developer was asked Q. Can you explain Source Code Control (SCC)?

Popular interview questions of Software Developer

A Software Developer was asked 1mo agoQ1. Tell me about yourself.
A Software Developer was asked Q2. How many languages do you know?
A Software Developer was asked Q3. What are your strengths?
Walmart Software Developer Interview Questions
Stay ahead in your career. Get AmbitionBox app
play-icon
play-icon
qr-code
Trusted by over 1.5 Crore job seekers to find their right fit company
80 L+

Reviews

10L+

Interviews

4 Cr+

Salaries

1.5 Cr+

Users

Contribute to help millions

Made with ❤️ in India. Trademarks belong to their respective owners. All rights reserved © 2025 Info Edge (India) Ltd.

Follow Us
  • Youtube
  • Instagram
  • LinkedIn
  • Facebook
  • Twitter
Profile Image
Hello, Guest
AmbitionBox Employee Choice Awards 2025
Winners announced!
awards-icon
Contribute to help millions!
Write a review
Write a review
Share interview
Share interview
Contribute salary
Contribute salary
Add office photos
Add office photos
Add office benefits
Add office benefits