codeforces 1038a You are given a string s of length n, which consists only of the first k letters of the Latin alphabet. All letters in string s are uppercase. A subsequence of string s is a string that can be derived from s by deleting some of its s…
题目描述: Given a string which consists of lowercase or uppercase letters, find the length of the longest palindromes that can be built with those letters. This is case sensitive, for example "Aa" is not considered a palindrome here. Note:Assume the…