subsequence 썸네일형 리스트형 All in All http://acm.pku.edu.cn/JudgeOnline/problem?id=1936 Description You have devised a new encryption technique which encodes a message by inserting between its characters randomly generated strings in a clever way. Because of pending patent issues we will not discuss in detail how the strings are generated and inserted into the original message. To validate your method, however, it is necessary to wr.. 더보기 이전 1 다음