摘要：
Eva is trying to make her own color stripe out of a given one. She would like to keep only her favorite colors in her favorite order by cutting off th 阅读全文
摘要：
When register on a social network, you are always asked to specify your hobbies in order to find some potential friends with the same hobbies. A socia 阅读全文
摘要：
The K−P factorization of a positive integer N is to write N as the sum of the P-th power of K positive integers. You are supposed to write a program t 阅读全文