Package g0401_0500.s0409_longest_palindrome

Class Solution

java.lang.Object
g0401_0500.s0409_longest_palindrome.Solution
public class Solution extends Object
409 - Longest Palindrome.

Easy

Given a string s which consists of lowercase or uppercase letters, return the length of the longest palindrome that can be built with those letters.

Letters are case sensitive , for example, "Aa" is not considered a palindrome here.

Example 1:

Input: s = “abccccdd”

Output: 7

Explanation: One longest palindrome that can be built is “dccaccd”, whose length is 7.

Example 2:

Input: s = “a”

Output: 1

Example 3:

Input: s = “bb”

Output: 2

Constraints:

  • 1 <= s.length <= 2000
  • s consists of lowercase and/or uppercase English letters only.

  • Constructor Details

    • Solution

      public Solution()

  • Method Details

    • longestPalindrome

      public int longestPalindrome(String s)