摘要： （累了，这题做了很久！）Life FormsTime Limit:5000MSMemory Limit:65536KTotal Submissions:8683Accepted:2375DescriptionYou may have wondered why most extraterrestrial life forms resemble humans, differing by superficial traits such as height, colour, wrinkles, ears, eyebrows and the like. A few bear no human resem 阅读全文

摘要： Long Long MessageTime Limit:4000MSMemory Limit:131072KTotal Submissions:19206Accepted:7934Case Time Limit:1000MSDescriptionThe little cat is majoring in physics in the capital of Byterland. A piece of sad news comes to him these days: his mother is getting ill. Being worried about spending so much o 阅读全文

摘要： 687. RepeatsProblem code: REPEATSA string s is called an (k,l)-repeat if s is obtained by concatenating k>=1 times some seed string t with length l>=1. For example, the strings = abaabaabaabais a (4,3)-repeat with t = aba as its seed string. That is, the seed string t is 3 characters long, and 阅读全文

摘要： Maximum repetition substringTime Limit:1000MSMemory Limit:65536KTotal Submissions:6328Accepted:1912DescriptionThe repetition number of a string is defined as the maximum numberRsuch that the string can be partitioned intoRsame consecutive substrings. For example, the repetition number of "ababa 阅读全文