旺崽的博客

HDUOJ 3374 String Problem Problem Description Give you a string with length N, you can generate N strings by left shifts. For example let consider the string “SKYLONG”, we can generate seven strings: ...

HDUOJ 2609 How many 题目链接 Problem Description Give you n ( n < 10000) necklaces ,the length of necklace will not large than 100,tell me How many kinds of necklaces total have.(if two necklaces can e...