摘要：
题目：You are playing the following Flip Game with your friend: Given a string that contains only these two characters:+and-, you and your friend take tu... 阅读全文
摘要：
题目： You are playing the following Flip Game with your friend: Given a string that contains only these two characters: + and -, you and your friend tak 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 阅读全文
摘要：
题目：Given apatternand a stringstr, find ifstrfollows the same pattern.Herefollowmeans a full match, such that there is a bijection between a letter inp... 阅读全文