Live2d Test Env
2018年11月10日
HDU - 4336：Card Collector（min-max容斥求期望）
摘要： In your childhood, do you crazy for collecting the beautiful cards in the snacks? They said that, for example, if you collect all the 108 people in th 阅读全文
posted @ 2018-11-10 15:24 nimphy 阅读(413) 评论(0) 推荐(0) 编辑