05 2020 档案

摘要：题目如下： A happy string is a string that: consists only of letters of the set ['a', 'b', 'c']. s[i] != s[i + 1] for all values of i from 1 to s.length - 阅读全文

摘要：题目如下： Given an array of integers nums, you start with an initial positive value startValue. In each iteration, you calculate the step by step sum of s 阅读全文

摘要：题目如下： HTML entity parser is the parser that takes HTML code as input and replace all the entities of the special characters by the characters itself. 阅读全文

摘要：题目如下： Given the array queries of positive integers between 1 and m, you have to process all queries[i] (from i=0 to i=queries.length-1) according to t 阅读全文

摘要：题目如下： Given an array of string words. Return all strings in words which is substring of another word in any order. String words[i] is substring of wor 阅读全文

摘要：题目如下： Given a number s in their binary representation. Return the number of steps to reduce it to 1 under the following rules: If the current number i 阅读全文