Frontier_Setter的博客

https://leetcode.com/problems/longest-substring-with-at-least-k-repeating-characters/ Find the length of the longest substring T of a given string (consists of lowercase letters only) such that ever...

https://leetcode.com/problems/different-ways-to-add-parentheses/ Given a string of numbers and operators, return all possible results from computing all the different possible ways to group numbers ...