2018年9月1日
CodeForces 499D. Name That Tune(概率dp)
摘要： It turns out that you are a great fan of rock band AC/PE. Peter learned that and started the following game: he plays the first song of the list of n  阅读全文
posted @ 2018-09-01 18:33 Styx-ferryman 阅读(333) 评论(0) 推荐(0) 编辑