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.

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