2017年7月2日
hdu 1025
摘要： Problem Description JGShining's kingdom consists of 2n(n is no more than 500,000) small cities which are located in two parallel lines.Half of these c 阅读全文
posted @ 2017-07-02 11:10 冥想选手 阅读(126) 评论(0) 推荐(0) 编辑