hdu1431专题

hdu1431 素数回文(素数筛/埃拉托斯特尼筛法)

素数回文 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 9505    Accepted Submission(s): 2221 Problem Description xiaoou33对既是素数又是回文的数特别感