wcxyky的博客

Problem DescriptionGive you n ( n < 10000) necklaces ,the length of necklace will not large than 100,tell meHow many kinds of necklaces total have.(if two necklaces can equal by rotating ,we sa...

Problem DescriptionIt is well known that AekdyCoin is good at string problems as well as number theory problems. When given a string s, we can write down all the non-empty prefixes of this string. ...