- Difficulty: Hard
- Tags: LeetCode, Hard, String, Dynamic Programming, leetcode-1216, O(n^2), O(n)
Problem
Given a string s
and an integer k
, return true
if s
is a k
-palindrome.
A string is k
-palindrome if it can be transformed into a palindrome by removing at most k
characters from it.
Example 1:
Input: s = "abcdeca", k = 2 Output: true Explanation: Remove 'b' and 'e' characters.
Example 2:
Input: s = "abbababa", k = 1 Output: true
Constraints:
1 <= s.length <= 1000
s
consists of only lowercase English letters.1 <= k <= s.length