2017年4月3日
Codeforces 789e The Great Mixing （bitset dp 数学）
摘要： Sasha and Kolya decided to get drunk with Coke, again. This time they have k types of Coke. i-th type is characterised by its carbon dioxide concentra 阅读全文
posted @ 2017-04-03 14:25 抓不住Jerry的Tom 阅读(770) 评论(0) 推荐(0)