2019年8月10日
2017 ICPC Asia Urumqi A.coins (概率DP + 期望)
摘要： 题目链接： "Coins" Description Alice and Bob are playing a simple game. They line up a row of nn identical coins, all with the heads facing down onto the t 阅读全文
posted @ 2019-08-10 20:37 wuli涛涛 阅读(197) 评论(0) 推荐(0) 编辑