随笔分类 - HackerRank Problem study
一些在HackerRank网站解题过程中学习到的小知识，不会很长，但是需要记忆，通过这种方式来增强记忆和便于日后查询
摘要：题目： Lexicographical order is often known as alphabetical order when dealing with strings. A string is greater than another string if it comes later in
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摘要：题目 An English text needs to be encrypted using the following encryption scheme. 附上链接： Encryption 一点小知识~~（智障的小知识）~~ 但想要判断列表等可迭代对象的索引是否越界，不可以直接使用 因为如果索引
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摘要：题目 David has several containers, each with a number of balls in it. He has just enough containers to sort each type of ball he has into its own contai
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摘要：题目: There are a number of people who will be attending ACM ICPC World Finals. Each of them may be well versed in a number of topics. Given a list of t
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