2015年8月19日
算生日相同的概率
摘要： DescriptionSometimes some mathematical results are hard to believe. One of the common problems is the birthday paradox. Suppose you are in a party whe... 阅读全文
posted @ 2015-08-19 21:25 白一 阅读(550) 评论(0) 推荐(0)
相遇~~~~
摘要： 题意： You are going from Dhaka to Chittagong by train and you came to know one of your old friends is goingfrom city Chittagong to Sylhet. You also know... 阅读全文
posted @ 2015-08-19 21:20 白一 阅读(149) 评论(0) 推荐(0)