摘要：
题目链接：http://poj.org/problem?id=2752 Seek the Name, Seek the Fame The little cat is so famous, that many couples tramp over hill and dale to Byteland, 阅读全文
摘要：
题目链接：http://poj.org/problem?id=2406 Power Strings Given two strings a and b we define a*b to be their concatenation. For example, if a = "abc" and b = 阅读全文