随笔分类 -  二分

codeforces 700A As Fast As Possible
摘要：Description On vacations n pupils decided to go on excursion and gather all together. They need to overcome the path with the length l meters. Each of 阅读全文
posted @ 2016-08-03 13:50 PrayG 阅读(263) 评论(0) 推荐(0)