2017年3月8日
POJ-1195 Mobile phones 【树状数组+二维】
摘要： Description Suppose that the fourth generation mobile phone base stations in the Tampere area operate as follows. The area is divided into squares. Th 阅读全文
posted @ 2017-03-08 13:34 Robin! 阅读(142) 评论(0) 推荐(0) 编辑