Recca Chao 的 gitHub page

推廣網站開發,包含 Laravel 和 Kotlin 後端撰寫、自動化測試、讀書心得等。Taiwan Kotlin User Group 管理員。

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Hi, here’s your problem today. This problem was recently asked by Twitter:

A palindrome is a sequence of characters that reads the same backwards and forwards. Given a string, s, find the longest palindromic substring in s.


Input: "banana"
Output: "anana"

Input: "million"
Output: "illi"
class Solution: 
    def longestPalindrome(self, s):
      # Fill this in.
# Test program
s = "tracecars"
# racecar