摘要：Word Break I Given a string s and a dictionary of words dict, determine if s can be segmented into a space-separated sequence of one or more dictionar 阅读全文

摘要：Question: Give a string, use minimum number of splits to divide the string into multiple parts in which each part a palindrome. For example, if the st 阅读全文

摘要：Given a digit string, return all possible letter combinations that the number could represent. Example Given "23" Return ["ad", "ae", "af", "bd", "be" 阅读全文

摘要：Given n pairs of parentheses, write a function to generate all combinations of well-formed parentheses. For example, given n = 3, a solution set is: " 阅读全文

摘要：Subsets I Given a set of distinct integers, return all possible subsets. Notice Elements in a subset must be in non-descending order. The solution set 阅读全文