2013年8月6日
HDOJ 2138 How many prime numbers （数论，素数）
摘要： How many prime numbersProblem DescriptionGive you a lot of positive integers, just to find out how many prime numbers there are.InputThere are a lot of cases. In each case, there is an integer N representing the number of integers to find. Each integer won’t exceed 32-bit signed integer, and each of 阅读全文
posted @ 2013-08-06 19:23 Geekers 阅读(334) 评论(0) 推荐(0)