随笔分类 -  codeforces

摘要:You have a garland consisting of nn lamps. Each lamp is colored red, green or blue. The color of the ii-th lamp is sisi ('R', 'G' and 'B' — colors of 阅读全文
posted @ 2019-01-24 14:24 stul 阅读(123) 评论(0) 推荐(0)