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2472-maximum-number-of-non-overlapping-palindrome-substrings.adoc

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2472. Maximum Number of Non-overlapping Palindrome Substrings

{leetcode}/problems/maximum-number-of-non-overlapping-palindrome-substrings/[LeetCode - 2472. Maximum Number of Non-overlapping Palindrome Substrings ^]

You are given a string s and a positive integer k.

Select a set of non-overlapping substrings from the string s that satisfy the following conditions:

  • The length of each substring is at least k.

  • Each substring is a palindrome.

Return the maximum number of substrings in an optimal selection.

A substring is a contiguous sequence of characters within a string.

Example 1:

Input: s = "abaccdbbd", k = 3
Output: 2
Explanation: We can select the substrings underlined in s = "aba#cc[.underline]dbbd#". Both "aba" and "dbbd" are palindromes and have a length of at least k = 3.
It can be shown that we cannot find a selection with more than two valid substrings.

Example 2:

Input: s = "adbcda", k = 2
Output: 0
Explanation: There is no palindrome substring of length at least 2 in the string.

Constraints:

  • 1 ⇐ k ⇐ s.length ⇐ 2000

  • s consists of lowercase English letters.

思路分析

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link:{sourcedir}/_2472_MaximumNumberOfNonOverlappingPalindromeSubstrings.java[role=include]

参考资料