热门标签
更多>
搜索结果
查询Tags标签: 1930,共有 2条记录-
[LeetCode] 1930. Unique Length-3 Palindromic Subsequences
Given a string s, return the number of unique palindromes of length three that are a subsequence of s. Note that even if there are multiple ways to obtain the same subsequence, it is still only counted once. A palindrome is a string that reads the sam…
2021/7/13 6:06:33 人评论 次浏览 -
[LeetCode] 1930. Unique Length-3 Palindromic Subsequences
Given a string s, return the number of unique palindromes of length three that are a subsequence of s. Note that even if there are multiple ways to obtain the same subsequence, it is still only counted once. A palindrome is a string that reads the sam…
2021/7/13 6:06:33 人评论 次浏览