2018年10月31日
poj3682 King Arthur's Birthday Celebration 数学期望
摘要： Description King Arthur is an narcissist who intends to spare no coins to celebrate his coming K th birthday. The luxurious celebration will start on 阅读全文
posted @ 2018-10-31 16:36 南城ㄱ 阅读(246) 评论(0) 推荐(0) 编辑