美素数 Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 65535/32768 K (Java/Others) Total Submission(s): 853 Accepted Submission(s): 329 Problem Description 小明对数的研究比较热爱,一谈到数,脑子里就涌现出好多数的问题,今天,小明想考考你对素数的认识. 问题是这样的:一个十进制数,如果是素数,而且它的各位数字和也是素数,则称之为…
Lweb and String Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 261 Accepted Submission(s): 174 Problem Description Lweb has a string S. Oneday, he decided to transform this string to a new s…