2014年8月20日
2014 SummerTrain Beautiful Garden
摘要： There are n trees planted in lxhgww's garden. You can assume that these trees are planted along the X-axis, and the coordinate of ith tree is xi.But i... 阅读全文
posted @ 2014-08-20 01:53 hl_mark 阅读(179) 评论(0) 推荐(0) 编辑