Python C++速解Leetcode 1624 Largest Substring Between Two Equal Characters

Python C++速解Leetcode 1624 Largest Substring Between Two Equal Characters。2023年底是簡單題Leetcode 1624. Largest Substring Between Two Equal Characters，無需Hash table，用array才是王道
[codes on Leetcode]https://leetcode.com/problems/largest-substring-between-two-equal-characters/solutions/4480475/just-array-1-pass-on0ms-beats-100/
[Leetcode playList]https://www.youtube.com/watch?v=0iFR8nafMWE&list=PLYRlUBnWnd5IdDHk2BjqXwesydU17z_xk