2016年9月15日
Codeforces 712E Memory and Casinos
摘要： Description There are n casinos lined in a row. If Memory plays at casino $i$, he has probability $p_{i}$ to win and move to the casino on the right $ 阅读全文
posted @ 2016-09-15 14:40 lmxyy 阅读(307) 评论(0) 推荐(0) 编辑