2017年6月4日
hdu 5972---Regular Number(字符串匹配)
摘要： 题目链接 Problem Description Using regular expression to define a numeric string is a very common thing. Generally, use the shape as follows:(0|9|7) (5|6) 阅读全文
posted @ 2017-06-04 19:44 茶飘香~ 阅读(807) 评论(0) 推荐(0) 编辑