摘要：
1198. SubstringDescriptionDr lee cuts a string S into N pieces,s[1],…,s[N]. Now, Dr lee gives you these N sub-strings: s[1],…s[N]. There might be several possibilities that the string S could be. For example, if Dr. lee gives you three sub-strings {“a”,“ab”,”ac”}, the string S could be “aabac”,”aaca 阅读全文
摘要：
1194. Message FloodTotal:23747Accepted:4451Rating:3.1/5.0(78 votes)DescriptionWell, how do you feel about mobile phone? Your answer would probably be something like that “It’s so convenient and benefits people a lot”. However, if you ask Merlin this question on the New Year’s Eve, he will definitely 阅读全文