流水依依

摘要： B. Making Sequences is Funtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputWe'll defineS(n)for positive integernas follows: the number of then's digits in the decimal base. For example,S(893) = 3,S(114514) = 6.You want to make a consecutiv 阅读全文