2019年3月12日
CodeForces - 444C
摘要： F - DZY Loves Colors DZY loves colors, and he enjoys painting. On a colorful day, DZY gets a colorful ribbon, which consists of n units (they are numb 阅读全文
posted @ 2019-03-12 17:56 mile-star 阅读(563) 评论(0) 推荐(0) 编辑