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
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