摘要:
题目描述 We know that if a phone number A is another phone number B’s prefix, B is not able to be called. For an example, A is 123 while B is 12345, ... 阅读全文
摘要:
Description Do you know confetti? They are small discs of colored paper, and people throw them around during parties or festivals. Since people ... 阅读全文
摘要:
题目描述 The Fairy Ivan gave Saya three problems to solve (Problem F). After Saya finished the first problem (Problem H), here comes the second. This... 阅读全文
摘要:
题目描述 Kudo’s real name is not Kudo. Her name is Kudryavka Anatolyevna Strugatskia, and Kudo is only her nickname. Now, she is facing an emergency ... 阅读全文
摘要:
This is a collection of 110 (in binary) 2D geometry problems. CircumscribedCircle x1 y1 x2 y2 x3 y3 Find out the circumscribed circle of triangle (x... 阅读全文