摘要：
题目：Median is the middle value in an ordered integer list. If the size of the list is even, there is no middle value. So the median is the mean of the ... 阅读全文
摘要：
题目：Given a pattern and a string str, find if str follows the same pattern.Here follow means a full match, such that there is a bijection between a let... 阅读全文
摘要：
题目：Serialization is the process of converting a data structure or object into a sequence of bits so that it can be stored in a file or memory buffer, ... 阅读全文
摘要：
题目：You are playing the following Nim Game with your friend: There is a heap of stones on the table, each time one of you take turns to remove 1 to 3 s... 阅读全文