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g1201_1300.s1278_palindrome_partitioning_iii.readme.md Maven / Gradle / Ivy

1278\. Palindrome Partitioning III

Hard

You are given a string `s` containing lowercase letters and an integer `k`. You need to :

*   First, change some characters of `s` to other lowercase English letters.
*   Then divide `s` into `k` non-empty disjoint substrings such that each substring is a palindrome.

Return _the minimal number of characters that you need to change to divide the string_.

**Example 1:**

**Input:** s = "abc", k = 2

**Output:** 1

**Explanation:** You can split the string into "ab" and "c", and change 1 character in "ab" to make it palindrome.

**Example 2:**

**Input:** s = "aabbc", k = 3

**Output:** 0

**Explanation:** You can split the string into "aa", "bb" and "c", all of them are palindrome.

**Example 3:**

**Input:** s = "leetcode", k = 8

**Output:** 0

**Constraints:**

*   `1 <= k <= s.length <= 100`.
*   `s` only contains lowercase English letters.