摘要: V -Regular WordsTime Limit:1000MSMemory Limit:32768KB64bit IO Format:%I64d & %I64uSubmitStatusPracticeHDU 1502DescriptionConsider words of length 3n over alphabet {A, B, C} . Denote the number of occurences of A in a word a as A(a) , analogously let the number of occurence... 阅读全文
posted @ 2013-08-12 15:23 奇葩朵朵开 阅读(463) 评论(0) 推荐(0)